Lei ZHU 祝雷
Chair Professor
IEEE Fellow

Academic Qualifications

  • Ph.D. Eng. in Electronic Engineering, The University of Electro-Communications, Japan (1993)
  • M.Eng. in Electrical and Electronic Engineering, Southeast University, China (1988)
  • B.Eng.  in Electrical and Electronic Engineering, Nanjing Institute of Technology (Now: Southeast University), China (1985)

Working Experience

  • Chair Professor, University of Macau (UM), Macau SAR, China (October 2023 – Present)
  • Leading Scientist, Intelligent Sensing and Network Communication Section, State Key Laboratory of Internet of Things for Smart City, University of Macau (August 2023 – Present)
  • Distinguished Professor, University of Macau (UM), Macau SAR, China (December 2016 – October 2023)
  • Head, Department of Electrical and Computer Engineering, University of Macau (UM), Macau SAR, China (August 2014 – August 2017)
  • Senior College Fellow, Cheong Kun Lun College (CKLC), University of Macau (2018- Present)
  • Professor, University of Macau (UM), Macau SAR, China (August 2013 – December 2016)
  • Associate Professor (Tenured), School of Electrical and Electronic Engineering, Nanyang Technological University (NTU), Singapore (July 2000 – August 2013)
  • Post-Doctoral Fellow, Department of Electronic & Computer Engineering, Ecole Polytechnique, University of Montreal, Canada (April 1996 – June 2000)
  • Research Engineer, Research & Development Center, Matsushita Kotobuki Electronics Industries, Ltd, Japan (April 1993 – March 1996)

Award and Honor

  • IEEE Fellow, for Contributions to Modeling, Design and Development of Planar Microwave Filters (2012)
  • IEEE MTT-S Microwave Application Award, for the Development of Multiple-Mode Resonators and Their Application in Wide-Band Filters, Matching Circuits and Antennas (2024)
  • 澳門自然科學二等獎 (Second Prize in Macau Natural Science Award) (2022): “新穎多模天線的研究及其在低成本物聯網通信中的應用” (Research on Novel Multimode Antennas for Application in Low-Cost IoT Communication)，祝雷、劉能武、段俊冰
  • 澳門自然科學二等獎 (Second Prize in Macau Natural Science Award) (2020): “多模諧振結構的研究及其在寬頻微波電路中的應⽤” (Research on Multi-Mode Resonance Structure and Its Application in Wideband Microwave Circuits)，祝雷、譚錦榮、蔡偉華、楊力、邱雷雷
  • 國家特聘專家 (2015)
  • 國家教育委員會（教育部）科學技術進步一等獎 (First-Order Achievement Award in Science and Technology from the National Education Committee in China) (1993): “电磁场边值问题泛函解法的研究”，章文勋、洪伟、祝雷、薄亚明、陈小安
  • Asia-Pacific Microwave Prize Award (one of two awards) from Asia-Pacific Microwave Conference: “A joint field/circuit design model of microstrip ring dual-mode filter: theory and experiments” (1997) (Lei Zhu, Ke Wu)
  • Silver Award of Excellent Invention, Matsushita-Kotobuki Electronics Industries Ltd, Japan (1996)
  • FST Research Excellence Award in 2019/2020 (one of two recipients), University of Macau (2020)
  • Japanese Government (Monbusho) Graduate Fellowship (日本政府(文部科學省)奨学金) (1989-1993)
  • Awards received by my supervised PhD students:
    • Best Student Paper Award (2nd Place) from 2013 international Wireless Symposium (S. Zhang & L. Zhu);
    • Best Student Paper Award from 2016 IEEE International Workshop on Electromagnetics (X. Guo & L. Zhu & W. Wu);
    • Best Paper Award (優秀論文獎) from 2017 Cross Strait Quad-Regional Radio Wireless Conference (N.-W. Liu & L. Zhu & W.-W. Choi);
    • Best Paper Award (優秀論文獎) from 2017 National Conference on Antennas (2017年全國天綫年會) (劉能武, 祝雷, 蔡偉華);
    • Best Student Paper Award from 2018 International Conference on Microwave and Millimeter Wave Technology (D. Xie & L. Zhu);
    • Outstanding Student Paper Award from 2018 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (D. Xie & L. Zhu);
    • Honorable Mention Award from 2018 International Applied Computational Electromagnetics Society (ACES) Symposium (Y. Li & D. Xie & L. Zhu).
    • 2018 Scientific and Technological R&D Award for Postgraduates in Macau (2018年澳門研究生科技研發獎) (張曉).
    • Student Paper Competition Champion (MTT Session) from 2018 IEEE AP/MTT Postgraduate Conference in Hong Kong (Y. Li & L. Zhu).
    • First Runner-Up from 2019 student Paper Competition, AP/MTT Postgraduate Conference in Shenzhen (L.-L. Qiu & L. Zhu & Y.-P. Lyu).
    • Best Student Paper Award from 2020 International Conference on Microwave and Millimeter Wave Technology (Z.-A. Ouyang & L. Zhu)
    • Best Student Paper Prize from 2021 Cross Strait Radio Science and Wireless Technology Conference (J.B. Duan & L. Zhu)
    • 2022 Scientific and Technological R&D Award for Postgraduates in Macau (2022年澳門研究生科技研發獎) (劉仲勳).
    • Best Student Paper Award from 2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (H. Deng & L. Zhu)
    • Best Student Paper Award from 2023 International Applied Computational Electromagnetics Symposium (H.-D. Li & L. Zhu)
    • Honorable Mention Award from 2023 URSI General Assembly and Scientific Symposium (T.-X. Feng & L. Zhu).
    • Best Student Paper Award from 2023 IEEE 11th Asia-Pacific Conference on Antennas and Propagation (Y.-J. Zhu & F. Huang & B. Li & L. Zhu).
    • Best Student Paper Award (2nd Prize) from 2024 International Applied Computational Electromagnetics Symposium (J.Q. Cui & L. Zhu).

Services

International Societies

  • Member: IEEE AP-S Fellows Committee (2015-2017)
  • Member: IEEE MTT-S Fellow Evaluation Committee (2013-2015)
  • Associate Editor: IEEE Transactions on Microwave Theory and Techniques (2010 – 2013)
  • Associate Editor: IEEE Microwave and Wireless Components Letters (2006-2012)
  • Associate Editor: International Journal of RF and Microwave Computer-Aided Engineering (2019-2020)
  • Associate Editor: IEICE Transactions on Electronics (2003-2005)
  • Member of Editorial Board: Electromagnetic Science (2023- )
  • Member of Editorial Board: Chinese Journal of Electronics (2021- )
  • General Chair: Inaugural IEEE MTT-S International Microwave Workshop Series (2008)
  • Guest Editor: Mini-Special Issue, IEEE Transactions on Microwave Theory and Techniques (2010)
  • TPC Co-Chair: IEEE MTT-S International Wireless Symposium (2020)
  • TPC Co-Chair: Asia-Pacific Microwave Conference (2009)
  • Member: Advisory Committees, State Key Laboratory of Terahertz and Millimeter Waves, City University of Hong Kong (2018- )
  • External Reviewer: Research Grants Council (RGC) of Hong Kong (2017- )
  • 评审专家: 国家自然科学基金委员会 (NSFC) (2014- )
  • Member: IEEE MTT-S Technical Committee of MTT-1 Computer Aided Design (2006-2015)
  • Overseas Representative of Singapore Section: Institute of Electronics, Information and Communication Engineers (IEICE) (2007-2011)

University

  • Elected Senate Representative: University of Macau (2014-2016, 2016-2018, 2018-2020, 2022-2024, 2024-2026)
  • Elected Member: Research Committee of the Senate, University of Macau (2022-2024)
  • Elected Member: Academic Quality Assurance Committee (AQAC) of the Senate, University of Macau (2018-2020)
  • Chair: Committee on Reviewing Academic Track Performance Assessment Criteria, Faculty of Science and Technology (FST), University of Macau (2016)
  • Panel Member: University-level Academic Staff Promotion Advisory Committee for Academic Promotion, University of Macau (2014/2015, 2018/2019)
  • Member: Assessment Panel of Senior Professor Appointment for Internal Appointment of Distinguished Professors (2023/2024)
  • Member: University-Level Interview Panel for UM Research Assistant Professor & UM Macao Fellow on Physical Sciences under UM Talent Program (2022/2023, 2023/2024).
  • Member: Faculty-level Academic Staff Promotion Advisory Panel of FST, Faculty of Science and Technology (FST), University of Macau (2013/2014, 2014/2015, 2015/2016, 2016/2017, 2018/2019, 2019/2020, 2020/2021, 2021/2022)
  • Member: Faculty-level Academic Staff Promotion Advisory Panel of IME, Institute of Microelectronics (IME), University of Macau (2022/2023)
  • Member: Faculty-Level Academic Staff Promotion Advisory Panel of IAPME, Institute of Applied Physics and Materials Engineering (IAPME), University of Macau (2016/2017)
  • Member: Faculty-Level Academic Staff Promotion Advisory Panel of AMSV, State Key Laboratory of Analog and Mixed-Signal VLSI (AMSV), University of Macau (2016/2017)
  • Chair: Selection Committee for the Recruitment of Assistant Professor in Civil and Environmental Engineering (CEE), Faculty of Science and Technology (FST), University of Macau (2014)
  • Member: Selection Committee for the Conferment of Emeritus Titles, University of Macau (2017)
  • Member: Search Committee for the Recruitment of Assistant Professor in Electrical and Computer Engineering (ECE), Faculty of Science and Technology (FST), University of Macau (2019)

Teaching

B.Sc. Courses

  • Electricity and Life (ELEC111)

PhD. Courses

  • Research Methods and Ethics (STGC8003)
  • Selected Topics in Electrical and Computer Engineering – Radio-Frequency and Microwave Engineering (ECEN8001)

Research

Research Interests

  • RF and Microwave Engineering
  • Antenna Technology
  • Applied Electromagnetics

Research Grants (Since August 2013)

~ External Grants

  • PI: “基于多模谐振的高性能透反射电磁表面及其综合设计方法研究 (Research on high performance transmissive and reflective electromagnetic surfaces based on multimode resonances and their synthesis design methods),” 项目批准号(面上项目)：62471509，Funded by 国家自然科学基金委员会 (National Nature Science Foundation of China: NSFC), 530,000 RMB, Jan-2025 to Dec-2028. (依托单位：珠海澳大科技研究院).
  • PI: “應用於未來網絡範式的方向圖調控表面關鍵技術研究 (Research on key technologies of pattern manipulation surfaces and their applications in future network paradigm),” 0075/2023/RIA2, Funded by FDCT (The Science and Technology Development Fund of Macao; 澳門科學技術發展基金), 2,085,000 MOP, Jan-2024 to Jan-2027.
  • PI: “高性能移相器的關鍵技術研究及其在5G/B5G通信系統中的應用 (Research on Key Technologies of Advanced Phase Shifters and Their Applications in 5G/B5G Communication Systems),” 0080/2021/A2, Funded by FDCT (The Science and Technology Development Fund of Macao; 澳門科學技術發展基金), 2,132,500 MOP, Jan-2022 to Jan-2025.
  • PI: “新型電磁波調控陣列理論及其在聚焦陣天線中的應用 (Theory of Novel Electromagnetic-Wave Manipulated Array and Its Applications in Focusing-Array Antennas,” 0085/2020/AMJ, FDCT-MOST聯合項目, Funded by FDCT (The Science and Technology Development Fund of Macao; 澳門科學技術發展基金), 1,600,000 MOP, Oct-2021 to Sep-2024
  • PI: “應用於物聯網通信的多功能微帶天線關鍵技術研究(Research on Key Technologies of Multi-functional Microstrip Antennas and Their Application in IOT Communications),” 0095/2019/A2, Funded by FDCT (The Science and Technology Development Fund of Macao; 澳門科學技術發展基金), 2,027,000 MOP, Sep-2019 to Sep-2022.
  • PI: “人工表面等离激元结构研究及其在新型微波集成电路中的应用 (Studies on Surface Plasmon Polaritons (SPPs) and Their Applications for Advanced Microwave Integrated Circuits),” 项目批准号(面上项目)：61971475，Funded by 国家自然科学基金委员会 (National Nature Science Foundation of China: NSFC), 590,000 RMB, Jan-2020 to Dec-2023. (依托单位：珠海澳大科技研究院).
  • PI: “Numerical Calibration Technique for Applications in Full-wave Modeling and De-embedding of Artificial Electromagnetic Materials,” 091/2016/A2, Funded by FDCT (The Science and Technology Development Fund of Macao; 澳門科學技術發展基金), 1,698,000 MOP, Mar-2017 to Mar-2020, Completed.
  • PI: “单腔多辐射模宽带天线理论与方法的研究 (Wideband Antennas on Multi-Mode Radiator: Theory and Approach),” 项目批准号(面上项目)：61571468，Funded by 国家自然科学基金委员会 (National Nature Science Foundation of China: NSFC), 670,000 RMB, Jan-2016 to Dec-2019. (依托单位：珠海澳大科技研究院), Completed.
  • PI: “Balanced RF/Microwave Circuits on Hybrid Microstrip/Slotline Structure for Ultra-Wideband (UWB) Application,” 051/2014/A1, Funded by FDCT (The Science and Technology Development Fund of Macao; 澳門科學技術發展基金), 2,779,000 MOP, Jan-2015 to Jan-2018, Completed.
  • Co-PI: “Research on TV Services in Macao (澳門電視服務研究),” Funded by Bureau of Telecommunication Regulation of Macao (澳門電信管理局), 5,480,400 MOP, Nov-2013 to Dec-2014, Completed.

     ~ Internal Grants

  • PI: “Multi-Functional Reconfigurable Antennas for Wireless Communications,” CPG2024-00014-FST, Funded by Research Committee, University of Macau, 500,000 MOP, Jan-2024 to Dec-2024.
  • PI: “Study on Key Technologies of Planar High-Gain Leaky-Wave Antennas,” MYRG-GRG2023-00031-FST-UMDF, Funded by the University of Macau Development Foundation (UMDF), 720,000 MOP, Jan-2024 to Dec-2025.
  • PI: “Decoupling Techniques in Patch Antennas and Arrays,” CPG2023-00020-FST, Funded by Research Committee, University of Macau, 350,000 MOP, Jan-2023 to Dec-2023.
  • PI: “Microwave Balanced Filters with Intrinsic Common-Mode Suppression,” CPG2022-00008-FST, Funded by Research Committee, University of Macau, 350,000 MOP, Jan-2022 to Dec-2022.
  • PI: “Modular Design of Microwave Transversal Bandpass Filters,” CPG2021-00003-FST, Funded by Research Committee, University of Macau, 245,000 MOP, Jan-2021 to Dec-2021.
  • PI: “Low-Profile Wide-Bandwidth Microstrip Patch Antennas under Radiation of Dual Resonant Modes,” MYRG2018-00073-FST, Funded by Research Committee, University of Macau, 1,475,000, MOP, Jan-2019 to Dec-2021.
  • PI: “Wideband Frequency Selective Surfaces (FSSs) under Multi-Mode Resonance,” CPG2020-00003-FST, Funded by Research Committee, University of Macau, 350,000 MOP, Jan-2020 to Dec-2020, Completed.
  • PI: “Synthesis Design of Impedance Matching Network for Novel Wideband Filtering Antennas,” MYRG2017-00007-FST, Funded by Research Committee, University of Macau, 1,467,000 MOP, Jan-2018 to Dec-2020, Completed.
  • PI: “Microstrip Patch Antennas with Improved Radiation Performance,” CPG2019-00024-FST, Funded by Research Committee, University of Macau, 350,000 MOP, Feb-2019 to Dec-2019, Completed.
  • PI: “Short-Open Calibration (SOC) Technique in Finite Element Method (FEM) for Accurate Modeling of Non-Planar Microwave Circuits,” CPG2017-00028-FST, Funded by Research Committee, University of Macau, 350,000 MOP, Apr-2018 to Dec-2018, Completed.
  • PI: “Studies on Compact Wideband Antennas Based on Multiple Mode Resonator,” MYRG2015-00010-FST, Funded by Research Committee, University of Macau, 1,808,160 MOP, Apr-2015 to Mar-2018, Completed.
  • PI: “Novel Microstrip-Line Leaky-Wave Antennas under Fundamental EH0-Mode Operation,” CPG2017-00028-FST, Funded by Research Committee, University of Macau, 350,000 MOP, Apr-2017 to Dec-2017, Completed.
  • PI: “Metamaterial-Inspired RF and Microwave Integrated Circuits with Advanced Functionalities”, MYRG2014-00079-FST, Funded by Research Committee, University of Macau, 1,350,000 MOP, Apr-2014 to Mar-2017, Completed.
  • PI: “Novel Multi-Band Microwave Bandpass Filters for Wireless Communications,” SRG2013-00043-FST, Funded by Research Committee, University of Macau, 150,000 MOP, Sep-2013 to Sep-2015, Completed.

– PhD Students Supervised (2000-2013, Singapore)

  • Mr. Rakhesh Singh Kshetrimayum (2001-2004 & Thesis: “Printed periodic waveguide structures: full-wave characterization, guided-wave characteristics and applications): Associate Professor (2010), Full Professor (2017), Indian Institute of Technology (IIT) in Guwahati, India.
  • Mr. Sheng Sun (2002-2005 & Thesis: “Full-wave characterization of microstrip line structures for innovative design of microwave filters”): Research Assistant Professor (2010), The University of Hong Kong, Hong Kong, China; Full Professor (国家青年千人计划入选者-2015 & 国家优秀青年科学基金入选者-2016), University of Electronic Science and Technology of China.
  • Ms. Jing Gao (2002-2005 & Thesis: “Fullwave modeling of coplanar-waveguide discontinuities for filter design and metamaterial characterization”): Researcher (2006), National Institute of Information and Communications Technology (NiCT), Japan.
  • Mr. Hang Wang (2002-2005 & Thesis: “Performance-enhanced microstrip bandpass filters with size miniaturization”): Technical Support Engineer (2006), Agilent Technologies, Singapore.
  • Ms. Rui Li (2005-2009 & Thesis: “Synthesis design of ultra-wideband (UWB) bandpass filters on planar transmission lines”): Scientist (2009), Institute of Microelectronics (IME), Singapore.
  • Mr. Sai Wai Wong (2006-2009 & Thesis: “Ultra-wide planar bandpass filters with improved stopband performances”): Associate Professor (2010), Full Professor (2015), South China University of Technology, China; Full Professor (2017), Shenzhen University, China.
  • Ms. Sha Luo (2006, 2007-2011 & Thesis: “Planar ring structures for innovative design of compact microwave filters): Lecturer (2011), Senior Lecturer (2017), National University of Singapore (NUS), Singapore.
  • Mr. Teck Beng Lim (2007-2010 & Thesis: “Single-ended and differential-mode bandpass filters for UWB applications”): Lecturer (2010), Senior Lecturer (2016), Nanyang Polytechnic, Singapore.
  • Mr. Runqi Zhang (2010-2013 & Thesis: “Synthesis and design of planar microstrip bandpass filters with multi-mode resonators”): Research Fellow (2014), National University of Singapore, Singapore; Research Fellow (2016), Purdue University, USA.
  • Mr. Songbai Zhang (2010-2013 & Thesis: “Synthesis on microwave bandpass filters based on quarter-wavelength resonators”): Research Fellow (2013), Institute of Microelectronics (IME), Singapore; Senior Design Engineer (2015), Skyworks Pte. Ltd.

– PhD Students Supervised (2013-Present, Macau SAR, China)

  • Mr. Li Yang (3.2013-1.2018 & Thesis: “Analysis and design of microstrip-to-microstrip vertical transitions for applications in multilayered bandpass Filters”): Post-Doctoral Fellow (10.2018-), University of Alcalá, Spain.
  • Mr. Xiao Zhang (8.2014-9.2017 & Thesis: “Pin-loaded patch antennas with improved functionalities”); Associate Professor (3.2018-), Shenzhen University, China.
  • Mr. Qiongsen Wu (8.2014-4.2018 & Thesis: “Impedance transformers for advanced microwave circuits and antennas”): Associate Professor (6.2018-), Guangdong University of Technology (6.2018-).
  • Mr. Nengwu Liu (1.2015-9.2017 & Thesis: “Wideband patch antennas under radiation of multi-resonant modes): Associate Professor (01.2018-), Xidian University, China.
  • Mr. Yin Li (8.2015-11.2018 & Thesis: “Numerical modeling of guided-wave structures using the self-calibrated finite element method”): Post-Doctoral Fellow (5.2019-7.2021), Shenzhen University, China; (11.2021-), Assistant Professor, Peng Cheng Laboratory, Shenzhen, China.
  • Mr. Linping Feng (8.2015-11.2018 & Thesis: “Unbalanced-to-balanced and balanced filtering circuits on slotline and CPS resonator”): Post-Doctoral Fellow (1.2019-8.2021), South China University of Technology, China; Assistant Professor (10.2021-), Xi’an Jiaotong University, China
  • Mr. Danpeng Xie (1.2016-11.2018 & Thesis: “Microstrip leaky-wave antennas with periodic loadings for advanced functionalities”): Post-Doctoral Fellow (12.2018-), Institute of Microelectronics (IME), Singapore.
  • Mr. Zaicheng Guo (1.2017-1.2020 & Thesis: “Transversal bandpass filter—a natural modularized filter”): Assistant Professor (2.2020-), Nanjing Normal University, China.
  • Mr. Zhongxun Liu (1.2018-1.2021 & Thesis: “Low profile patch antennas with enhanced functionality”): Associate Professor (9.2021-), Xidian University, China.
  • Mr. Leilei Qiu (8.2018-1.2021 & Thesis: “Advanced differential phase shifters for microwave circuits and antennas”): Associate Professor (7.2021-), Central South University, China.
  • Mr. Zhaoan Ouyang (8.2018-12.2021 & Thesis: “Coplanar stripline structures for balanced microwave filters with intrinsic common-mode suppression”): Assistant Professor (8.2022-), Jinan University, China.
  • Ms. Yanhui Xu (8.2018-12.2021 & Thesis: “Slot antennas with advanced functionalities under multi-resonant modes”): Assistant Professor (12.2022-), Nanjing University of Posts and Telecommunications, China.
  • Mr. Hui Deng (8.2019-12.2022 & Thesis: “Advanced decoupling techniques in patch antennas for wireless application”): Antenna Engineer (5.2023-), RDW (成都瑞迪威科技有限公司).
  • Mr. Junbing Duan (8.2019 -12.2022 & Thesis: “Planar leaky-wave antennas with periodical loading of shunt-inductive elements”): Assistant Professor (11.2023-), Southwest Jiaotong University, China.
  • Mr. Tianxi Feng (8.2020-12.2023 & Thesis: “Pattern manipulation surfaces for controllable wireless propagation environment”): Assistant Professor (12.2023-), Dalian University of Technology, China.
  • Mr. Huidong Li (8.2020-12.2023 & Thesis: “Bidirectional leaky-wave antennas for broadside high-gain application”): Associate Professor (8.2024-), Southeast University, China.

– Research staffs (2013 – Present, Macau SAR, China)

  • Research Fellows/Associates (Visiting Scholars)
    • Wen-Jun Lu (6.2014-12.2014) – Professor in Nanjing University of Posts and Telecommunications (Now).
    • Dong Chen (7.2014-12.2014 & 3.2016-8.2016) – Associate Professor in Nanjing University of Posts and Telecommunications (Now).
    • Jianpeng Wang (7.2014-10.2014 & 3.2016-8.2016 & 8.2017-12.2017) –Professor in Nanjing University of Science and Technology (Now).
    • Jindong Zhang (10.2015-8.2016) – Associate Professor in Nanjing University of Science and Technology (Now).
    • Bo Li (7.2017-1.2018 & 9.2019-3.2020) – Professor in Nanjing University of Posts and Telecommunications (Now).
    • Yiming Tang (7.2017-1.2018) – Associate Professor in Nanjing University of Posts and Telecommunications (Now).
    • Xiao Zhang (1.2018-6.2018) – Associate Professor in Shenzhen University (Now).
    • Li Yang (3.2018-9.2018) – Post-Doctoral Fellow in University of Alcalá, Spain (Now).
    • Qiongsen Wu (5.2018-10.2018) – Associate Professor in Guangdong University of Technology (Now).
    • Nengwu Liu (1.2019-5.2019 & 5.2019-5.2021: UM Macao Talent Program) – Associate Professor in Xidian University (Now).
    • Ye Han (2.2019-8.2019) – Associate Professor in Nanjing University of Posts and Telecommunications (Now).
    • Jiangfeng Lin (5.2019-5.2021 & 5.2021-5.2022: UM Macao Talent Program) – Associate Professor in South China Normal University (Now)
    • Yong Cheng (7.2019-12.2019) – Professor in Nanjing University of Posts and Telecommunications (Now).
    • Mei Li (1.2020-1.2022: UM Macao Talent Program) – Associate Professor in Chongqing University (Now).
    • Yunpeng Lyu (2.2021-12.2021 & 8.2023-6.2024) – Associate Professor in Nanjing University of Posts and Telecommunications (Now).
    • Leilei Qiu (4.2021-8.2021 & 8.2021-1.2022) – Associate Professor in Central South University, China (Now).
    • Zhongxun Liu (4.2021-8.2021 & 8.2021-1.2022) – Associate Professor in Xidian University, China (Now).
    • Feng Huang (11.2021-7.2022 & 8.2023-6.2024) – Associate Professor in Nanjing University of Posts and Telecommunications (Now).
    • Chen Zhao (1.2022-7.2022) – Associate Professor in Nanjing University of Information Science and Technology (Now).
    • Lijie Xu (2.2022-8.2022) – Associate Professor in Nanjing University of Posts and Telecommunications (Now).
    • Yumei Chang (2.2022-8.2022) – Associate Professor in Nanjing University of Posts and Telecommunications (Now).
    • Zhaoan Ouyang (2.2022-8.2022) – Assistant Professor (8. 2022-), Jinan University, China (Now).
    • Yanhui Xu (5.2022-11.2022) – Assistant Professor in Nanjing University of Posts and Telecommunications (Now)
    • Xiaoming Chen (1.2023-1.2024) – Assistant Professor in Anhui University (now)
    • Zhu Duan (1.2023-7.2023) – Associate Professor in Nanjing University of Information Science and Technology (Now).
    • Yang Bao (1.2023-7.2023) – Assistant Professor in Nanjing University of Posts and Telecommunications (Now).
    • Junbing Duan (5.2023-11.2023) – Assistant Professor in Southwest Jiaotong University (now)
    • Dr. Wanping Zhang (1.2024-8.2024) – Assistant Professor in Nanjing University of Posts and Telecommunications (Now)
  • Research Assistants (Visiting Postgraduate Students)
    • Yu Luo (3.2014-8.2014) – PhD student in South China University of Technology (graduated with PhD degree) and Professor in Tianjin University (now).
    • Xin Guo (7.2014-12.2014 & 4.2015-1.2016) – PhD student in Nanjing University of Science and Technology (NJUST) (graduated with PhD degree: Co-supervisor) and Associate Professor in NJUST (now).
    • Zheng Liu (7.2014-12.2014 & 5.2015-10.2015) – PhD student in Shanghai Jiaotong University (graduated with PhD degree).
    • Fei Song (7.2014-12.2014 & 8.2015-9.2015) – PhD student in Tsinghua University (graduated with PhD degree).
    • Xiaoyong Liu (11.2014-8.2015) – PhD student in Nanjing University (graduated with PhD degree).
    • Kai Wang (7.2014-12.2014) – Master student in South China University of Technology (graduated with Master degree).
    • Yunpeng Lyu (9.2015-8.2017 & 9.2017-12.2017) – PhD student in Nanjing University of Posts and Telecommunications (NJUPT) (graduated with PhD degree: Co-supervisor) and Associate Professor in NJUPT (now).
    • Zaicheng Guo (7.2016-1.2017) – Graduated with Master degree from South China University of Technology & Assistant Professor in Nanjing Normal University (now).
    • Shiyan Wang (3.2017-12.2017 & 6.2018-12.2018) – PhD student in Nanjing University of Science and Technology (graduated with PhD degree: Co-supervisor) and Assistant Professor in Nanjing Normal University (now).
    • Zhijie Yang (3.2017-12.2017) – PhD student in University of Electronic Science and Technology of China (graduated with PhD degree).
    • Qianwen Liu (7.2017-12.2017 & 6.2019-12.2019) – PhD student in Nanjing University of Science and Technology (graduated with PhD degree: Supervisor) and Assistant Professor in Nanjing University of Posts and Telecommunications (now).
    • Jiaqi Shi (7.2017-12.2017 & 6.2018-12.2018 & 4.2019-12.2019) – PhD student in Nanjing University of Science and Technology (graduated with PhD degree).
    • Pengfei Zhang (6.2018-12.2018 & 4.2019-12.2019) – PhD student in University of Electronic Science and Technology of China (graduated with PhD degree: Co-supervisor).
    • Yun Liu (2.2019-8.2019 & & 8.2020-6.2021) – PhD student in University of Electronic Science and Technology of China (graduated with PhD degree: Co-supervisor).
    • Hanxuan Li (2.2019-12.2019 & 7.2020-12.2020) – PhD student in Nanjing University of Posts and Telecommunications (graduated with PhD degree: Supervisor).
    • Xuedao Wang (6.2019-12.2019) – PhD student in Nanjing University of Science and Technology (graduated with PhD degree) and Assistant Professor in Jinling Institute of Technology (now).
    • Tianqi Pei (6.2019-12.2019 & 7.2020-12.2020) – PhD student in Nanjing University of Science and Technology.
    • Ruisen Chen (1.2020-12.2020) – PhD student in Shenzhen University (graduated with PhD degree) and Assistant Professor in Foshan University (now).
    • Jinming Xie (7.2020-10.2021) – PhD student in Nanjing University of Posts and Telecommunications (graduated with PhD degree: Supervisor).
    • Hao Li (7.2020-12.2020) – PhD student in Nanjing University of Science and Technology.
    • Yi Luo (8.2020-6.2021) – PhD student in Xidian University (graduated with PhD degree).
    • Wanping Zhang (12.2020-12.2021 & 11.2022-11.2023) – PhD student in Nanjing University of Posts and Telecommunications (graduated with PhD degree: Supervisor)).
    • Taiyang Xie (2.2022-2.2023) – PhD student in Jilin University.
    • Shanshan Gu (4.2022-12.2022) – PhD student in Nanjing University of Posts and Telecommunications.
    • Qiyu Zeng (4.2022-12.2022) – Master student in Shenzhen University.
    • Ruolin Wang (5.2022-5.2023) – PhD student in Xi’an Jiaotong University..
    • Hao Wan (6.2022-6.2023) – PhD student in Northwestern Polytechnical University.
    • Tao Wei (11.2022-11.2023) – PhD student in Nanjing University of Posts and Telecommunications.
    • Shuangxu Li (4.2023-4.2024 & 4.2024-4.2025) – PhD student in Tianjin University.
    • Lei Liu (7.2023-7.2024 & 7.2024-4.2025) – PhD student in Nanjing University of Posts and Telecommunications.
    • Hao Ni (7.2023-7.2024 & 7.2024-7.2025) – PhD student in Nanjing University of Posts and Telecommunications.
    • Ms. Lanlan Wang (2.2024-12.2024) – PhD student in University of Electronic Science and Technology of China.
    • Mr. Yunjie Zhu (7.2024-12.2024) – PhD student in Nanjing University of Posts and Telecommunications.

On-Going PhD Students (Macau SAR, China)

  • Mr. De Yin (8.2021 – Present: UM Macao Talent Program): Research Topic – Electromagnetic surfaces, Supervisor
  • Mr. Shitong Wang (8.2021 – Present): Research Topic – Reconfigurable antennas, Supervisor.
  • Ms. Jiaqian Cui (1.2022 – Present): Research Topic – Absorptive filters and antennas, Supervisor.
  • Mr. Jiaxiang Hao (8.2022 – Present: UM Macao Talent Program): Research Topic – Series-fed antenna arrays, Supervisor.
  • Ms. Mingli Sun (8.2023 – Present): Research Topic – MMR filters and antennas, Supervisor.
  • Mr. Xuzhou Yu (8.2023 – Present: UM Macao Talent Program): Research Topic – Coaxial-line circuits with 3D-printed insulator, Supervisor.
  • Ms. Xiaohan Zhai (1.2024 – Present): Research Topic – Omnidirectional antennas, supervisor.
  • Mr. Jiaxin Kuang (8.2024 – Present: UM Macao Talent Program): Research Topic – Electromagnetic surfaces, Supervisor.
  • Mr. Zhiyong Xu (8.2024 – Present: UM Macao Talent Program): Research Topic – Reflecting/transmitting arrays, Supervisor.
  • Ms. Yu Xia (8.2024 – Present: UM Macao Talent Program): Research Topic – Electromagnetic surfaces, Supervisor.
  • Ms. Xiaoyue Tan (8.2024 – Present): Research Topic – Optically transparent antennas, Supervisor.

2~3 PhD Students under Recruitment (2024/2025, Macau SAR, China)

  • Qualification for applicants: Holder of a Master degree in (a) RF & Microwave Engineering, (b) Antenna Technology, or (c) Computational Electromagnetics

Information for PhD Scholarship/Assistantship in UM (https://www.um.edu.mo/study-at-um/phd-funding.html)

Publications

(Updated: 20-Auguest-2024)

Citations of published papers:

– ISI Web of Science, i.e., SCI-Expanded & CPCI-S

Number of Published Papers: 779 

Citations: 15,288 times; H-index: 64

– Scopus

Number of Published Papers: 867

Total Citations: 18,437 times; H-index: 66

– Google Scholar

(https://scholar.google.com.sg/citations?user=9P7c9ZUAAAAJ&hl=en)

Number of Published Papers: 899

Total Citations: 22,654 times; H-index: 73

Books and book chapters:

  1. 刘能武, 孙胜, 祝雷, “多模谐振天线”, 西安电子科技大学出版社, 2024年4月。
  2. Wen-Jun Lu and Lei Zhu, “Multi-Mode Resonant Antennas: Theory, Design, and Applications,” CRC Press, Taylor & Francis Group, May 2022.
  3. Ferran Martín, Lei Zhu, Jiasheng Hong, and Francisco Medina, “Balanced Microwave Filters,” John Wiley & Sons, Inc., March 2018.
  4. Lei Zhu, Sheng Sun, and Rui Li, “Microwave Bandpass Filters for Wideband Communications”, John Wiley & Sons, February 2012.
  5. L. Zhu, “Microwave Filters”, (Invited) in Encyclopedia of RF and Microwave Engineering, (Editor: Kai Chang) John Wiley & Sons, Inc., 2005, volume 3, pp.2751-2763.
  6. L. Zhu, “Coplanar Waveguide (CPW) Transmission Lines”, (Invited) in Encyclopedia of RF and Microwave Engineering, (Editor: Kai Chang), John Wiley & Sons, Inc., 2005, volume 1, pp.821-833.
  7. K. Wu, L. Zhu and R. Vahldieck, “Microwave Passive Components”, (Invited) Chapter V-7 in The Electrical Engineering Handbook, (Editor-in-Chief: Wai-Kai Chen), Elsevier Academic Press, 2005, pp.585-618.

Journal papers: (of 642 papers, 425 in IEEE Transactions/Letters/Magazine)

  1. D. Yin, L. Zhu, B. Li, and J.-X. Zhou, “Design of pattern manipulation surface with flexible power division ratio and independent beam steering of two polarizations,” (in press) IEEE Antennas and Wireless Propagation Letters.
  2. Y.-J. Zhu, H. Li, W. Zhang, F. Huang, B. Li, and L. Zhu, “A Generalized Synthesis Technique for High-Order Ultra-Wideband Microwave Absorbers,” (in press) IEEE Transactions on Electromagnetic Compatibility.
  3. M. Li, Z. Shang, L. Pu, M. Tang, and L. Zhu, “Low-profile, low sidelobe array antenna with ultrawide beam coverage for UAV communication,” (in press) Chinese Journal of Aeronautics.
  4. T. Wei, W. Zhang, J. Shen, B. Li, and L. Zhu, “Design methodology of single-/dual-band polarization rotator with coupled slotlines,” (in press) IEEE Antennas and Wireless Propagation Letters.
  5. H.-D. Li and L. Zhu, “Horizontally polarized array antenna using hybrid resonant mode for millimeter wave radar application,” (in press) IEEE Antennas and Wireless Propagation Letters.
  6. X.-H. Mao, W.-J. Lu, F.-Y. Ji, and L. Zhu, “Null-depth coordinated synthesis design approach to azimuthal null frequency scanning antennas,” (in press) IET Microwaves, Antennas & Propagation.
  7. S.-T. Wang and L. Zhu, “A compact multi-functional antenna with frequency tunability and full-polarization reconfigurability,” (in press) IEEE Antennas and Wireless Propagation Letters.
  8. S.-S. Gu, W.-J. Lu, F.-Y. Ji, and L. Zhu, “Stubs asymmetry enabled self-phase-shift circularly polarized antenna under dual-mode resonance,” International Journal of RF and Microwave Computer-Aided Engineering, vol. 2024, Article ID 884672, pp.1-12.
  9. Q. Liu, L. Zhu, and W.-J. Lu, “Self-decoupled square patch antenna arrays by exciting and using mixed electric/magnetic coupling between adjacent radiators,” Chinese Journal of Electronics, vol. 33, no. 4, Jul. 2024, pp. 1-12. https://doi.org/10.23919/cje.2023.00.222.
  10. M. Li, Z. Yang, Q. Dai, Z. Shang, C.-L. Zhang, M.-C. Tang, and L. Zhu, “Design of miniaturized patch antenna covering four bands with pattern diversity property,” IEEE Antennas and Wireless Propagation Letters, vol.23, no.8, Aug. 2024, pp. 2321-2325.
  11. F. Liu, J. Xu, J.-Y. Pu, J.-H. Su, and L. Zhu, “A hybrid architecture 360° phase shifter with continuously tunable phase shift and low in-band phase error,” IEEE Transactions on Microwave Theory and Techniques, vol.72, no.8, Aug. 2024, pp. 4810-4821.
  12. T.-X. Feng, L. Zhu, and H. Li, “Synthesis and design of 3-D microwave absorber with 70° angular stability for C-band and X-band,” (invited paper) IEEE Open Journal of Antennas and Propagation, vol.5, no.4, Aug. 2024, pp. 933-941.
  13. S.-S. Gu, W.-J. Lu, and L. Zhu, “2D sectorial dipole-enabled planar endfire circularly polarized antenna with widened azimuth half-power beamwidth,” Electronics Letters, vol.60, no.14, Jul. 2024, pp.1-4.
  14. F.-Y. Ji, X.-H. Mao, W.-J. Lu, and L. Zhu, “Wideband null frequency scanning monopole antennaunder triple-mode resonance,” Microwave and Optical Technology Letters, vol.66, no.8, Aug. 2024, Paper no.: e34278.
  15. L.-L. Qiu, Y. Wu, S. Huang, L. Deng, Z.-A. Ouyang, and L. Zhu, “Multi-layer SIW vertical transition and its applications in wideband crossover and monopulse comparator,” Engineering Science and Technology, an International Journal, vol.56, Aug. 2024, Paper ID101776, pp.1-9.
  16. M. Li, Z. Sun, M.-C. Tang, and L. Zhu, “Design of dual-polarized tilted-beam parasitic array antenna with both high isolation and high polarization purity,” IEEE Transactions on Antennas and Propagation, vol.72, no.6, Jun. 2024, pp. 4976-4988.
  17. Q. Liu and L. Zhu, “Design of cross-coupled bandpass filters with flexible coupling via half-mode substrate integrated waveguide,” International Journal of RF and Microwave Computer-Aided Engineering, vol. 2024, Article ID 3897878, pp.1-13.
  18. L. Deng, Z.-J. He, S. Huang, L.-L. Qiu, and, and L. Zhu, “Wideband metasurface-loaded rectenna for azimuth-insensitive electromagnetic energy absorption using characteristic mode analysis,” Journal of Applied Physics, vol. 135, Mar. 2024, Paper ID 115001, pp.1-12.
  19. T.-X. Feng and L. Zhu, “Synthesis, design, and implementation of wideband 3-D transmitting/ reflecting Pattern Manipulation Structures,” IEEE Transactions on Vehicular Technology, vol.73. no.6, Jun. 2024, pp.8379-8388.
  20. C. Xu, X. Wang, L. Zhu, W. Sun, K. Li, G. Milinevsky, and G. Lu, “A wideband dual-band bandstop filter with flexible control of stopband rejection, bandwidth and center frequency ratio,” IET Microwaves, Antennas & Propagation, vol.18, no.5, May 2024, pp.308-316.
  21. Z. Sun, X. Wang, L. Zhu, G. Milinevsky, and G. Lu, “A novel ring type wideband quasi-elliptic bandstop filter with controllable equal ripple performance and extra-high attenuation rate,” IEEE Transactions on Microwave Theory and Techniques, vol.72, no.7, Jul. 2024, pp. 4258-4268.
  22. T. Xie, X. Wang, L. Zhu, and G. Lu, “Compact planar N -way hybrid power divider with λ/4 N -parallel transmission lines and ( N -1)×( N -1) isolation network,” IEEE Microwave and Wireless Technology Letters, vol.34, vol.7, Jul. 2024, pp. 875-878.
  23. L. Liu, L. Zhu, Z.-B. Wang, and Y.-R. Zhang, “Dual-band filtering power dividers with multiple out-of-band transmission zeros and DC-blocking,” IEEE Microwave and Wireless Technology Letters, vol.34, vol.7, Jul. 2024, pp. 899-902.
  24. Q.-Y. Lu, J. Wang, L. Zhu, Z. Xia, and W. Wu, “Design of reflectionless bandpass filters based on asymmetric reciprocal filtering network,” IEEE Transactions on Microwave Theory and Techniques, vol.72, no.6, Jun. 2024, pp. 3662-3670.
  25. Q. Liu, L. Zhu, and W.-J. Lu, “A simplified design approach and its application to decoupling of 2-D MIMO square patch antenna systems,” IEEE Antennas and Wireless Propagation Letters, vol.23, no.6, Jun. 2024, pp.1759-1763.
  26. T. Xie, X. Wang, L. Zhu, and G. Lu, “A synthesis theory of stripline dual-band filtering power divider with controllable full-frequency isolation,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.14, no.4, Apr. 2024, pp. 693-704.
  27. D. Yin, L. Zhu, B. Li, and B. Xue, “Planar polarization rotation pattern manipulation surfaces with enhanced incident angle range and beam steering ability,” IEEE Transactions on Antennas and Propagation, vol.72, no.5, May 2024, pp. 4173-4184.
  28. L.-X. Xia, N.-W. Liu, L. Zhu, and G. Fu, “Dual-CP antenna with wide-HPBW and wide-ARBW performance for wide-angle scanning phased array,” IEEE Transactions on Antennas and Propagation, vol.72, no.5, May 2024, pp. 4583-4588.
  29. X. Chen, L. Zhu, and M. Li, “Design of Wideband, Compact, Filtering Slot Antenna Enabled with Mixed Electric/Magnetic Couplings,” IEEE Transactions on Antennas and Propagation, vol.72, no.4, Apr. 2024, pp. 3718-3723.
  30. J. Duan and L. Zhu, “Sidelobe suppression method for stub-loaded end-fire leaky-wave antenna,” IEEE Antennas and Wireless Propagation Letters, vol.23, no.4, Apr. 2024, pp.1201-1205.
  31. T.-X. Feng and L. Zhu, “Simultaneous transmitting and reflecting pattern manipulation structures using 3-D transmission-line-based elements,” IEEE Transactions on Microwave Theory and Techniques, vol.72, no.4, Apr. 2024, pp. 2204-2213.
  32. C. Zhao, W. Liu, and L. Zhu, “An effective method to extract properties of slow wave structures for TWT applications,” IEEE Transactions on Microwave Theory and Techniques, vol.72, no.4, Apr. 2024, pp. 2214-2223.
  33. F. Liu, J. Xu, G.-Q. Zhou, J.-Y. Pu, and L. Zhu, “A broadband digital phase shifter using phase-slope tuning properties of microstrip to slotline transition and microstrip-loaded slotline structure,” IEEE Transactions on Microwave Theory and Techniques, vol.72, no.4, Apr. 2024, pp. 2508-2518.
  34. J. Cui, L. Zhu, and H. Deng, “Absorptive filtering antennas with predictable flat gain and wideband impedance matching,” IEEE Transactions on Antennas and Propagation, vol.72, no.3, Mar. 2024, pp. 2382-2390.
  35. M. Li, Z. Sun, M.-C. Tang, and L. Zhu, “Broadband circularly-polarized microstrip antennas with customized tilted beam based on index-modulated folded split ring resonator”, IEEE Transactions on Antennas and Propagation, vol.72, no.3, Mar. 2024, pp. 2831-2836.
  36. M. Li, Q. Dai, Z. Shang, M.-C. Tang, and L. Zhu, “Tightly-packed small broadbeam Self-Decoupling Patch Antenna Pair with High Isolation by Seamless Integration of Coupled-Resonator Filter,” IEEE Transactions on Antennas and Propagation, vol.72, no.3, Mar. 2024, pp. 2903-2908.
  37. K.-D. Hong, X. Zhang, H.-Y. Weng, L. Zhu, and T. Yuan, “A 2-D self-decoupling method based on antenna-field redistribution for MIMO patch antenna array,” IEEE Antennas and Wireless Propagation Letters, vol.23, no.3, Mar. 2024, pp.940-944.
  38. X.-H. Mao, W.-J. Lu, F.-Y. Ji, H. Zhang, and L. Zhu, “Design approach to azimuthal null frequency scanning circular sector patch antenna under triple-mode resonance,” IEEE Antennas and Wireless Propagation Letters, vol.23, no.2, Feb. 2024, pp.753-757.
  39. Q. Liu, L. Zhu, and W.-J. Lu, “Decoupling of closely spaced square patch antennas using short-circuited λ/2 microstrip line,” IEEE Antennas and Wireless Propagation Letters, vol.23, no.2, Feb. 2024, pp.728-732.
  40. T.-X. Feng and L. Zhu, “Designs of 3-D microwave absorbers with synthesizable absorptive performances,” IEEE Transactions on Electromagnetic Compatibility, vol.66, no.1, Feb. 2024, pp. 80-87.
  41. R. Wang, H. Liu, and L. Zhu, “A common-mode filter design using superconducting composite right/left-handed resonators,” IEEE Transactions on Electromagnetic Compatibility, vol.66, no.1, Feb. 2024, pp. 169-179.
  42. J. Duan and L, Zhu, “An end-fire leaky wave antenna with flexible modification on the phase and attenuation constants,” IEEE Transactions on Antennas and Propagation, vol.72, no.2, Feb. 2024, pp. 1128-1139.
  43. N.-W. Liu, J.-L. Fan, L. Zhu, Q. Wu, Y. Liu, and S. Sun, “Mutual-coupling reduction of a quad-port cross-slot antenna with simultaneously co-polarized and dual-polarized patterns,” IEEE Transactions on Antennas and Propagation, vol.72, no.2, Feb. 2024, pp. 1140-1149.
  44. R. Wang, H. Liu, and L. Zhu, “A VHF-band dual-narrowband HTS filter using superconducting dual-composite right-/left-handed resonators: design and implementation,” IEEE Transactions on Applied Superconductivity, vol.34, no.2, Mar. 2024, Paper No.: 1500410.
  45. S.-W. Yu, X. Zhang, Q.-S. Wu, L. Zhu, T. Yuan, and Q.-H. Jiang, “Low-SAR and high-FBR patch antenna with small ground size for wearable devices,” IEEE Open Journal of Antennas and Propagation, vol.5, no.1, Feb. 2024, pp.124-129.
  46. H. Li, X. Guo, L. Zhu, and W. Wu, “Direct synthesis method of wideband tunable filtering phase shifter based on complex matched transversal multiple resonances,” AEU – International Journal of Electronics and Communications, vol. 176, Mar. 2024, Paper No.:155151.
  47. L. Liu, Z.-B. Wang, Y.-R. Zhang, and L. Zhu, “Wideband n-Way filtering power dividers with good isolation and arbitrary power ratios,” AEU – International Journal of Electronics and Communications, vol. 175, Feb. 2024, Paper No.: 155070.
  48. L.-j. Xu, L. Xu, Q. Liu, B. Li, L. Zhu, and F. Huang, “Three-dimensional-printed wideband filtering antenna for 5G millimeter-wave applications,” IEEE Transactions on Antennas and Propagation, vol.72, no.1, Jan. 2024, pp. 968-973.
  49. L. Feng, W. Xu, H. Chen, L. Zhu, and G. Shen, “Design of HTS bandpass filters with high-frequency selectivity,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.71, no.1, Jan. 2024, pp.151-155.
  50. H. Li, X. Guo, L. Zhu, and W. Wu, “Design of wideband tunable filtering phase shifter with switchable TTD or CPD phase mode,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.71, no.1, Jan. 2024, pp.101-105.
  51. Z. Tian, J.-P. Zong, W.-J. Lu, and L. Zhu, “Backfire dipole antenna with nearly equal E-/H-plane patterns enabled by hyperbola-intersected elliptical reflector under triple-mode resonance,” Microwave and Optical Technology Letters, vol.66, Jan. 2024, Paper no.: e33967. 
  52. L.-L. Qiu, Y. Guo, L. Zhu, Z.-A. Ouyang, S. Huang, and L. Deng, “Third-order filtering crossover using dual-mode resonator for high-isolated channels,” International Journal of Communication Systems, vol.37, no.2, 2024, Paper no.: e5639. doi: 10.1002/dac.563910.
  53. J.-F. Lin and L. Zhu, “A novel characteristic modes method to enhance axial-ratio bandwidth of low-profile circularly-polarized planar antennas,” IEEE Transactions on Antennas and Propagation, vol.71, no.12, Dec. 2023, pp. 9365-9374.
  54. Yin, T.-X. Feng, H. Deng, and L. Zhu, “Planar polarization-rotation pattern manipulation surfaces with patch-microstrip line-patch structure under different incidences,” IEEE Transactions on Antennas and Propagation, vol.71, no.12, Dec. 2023, pp. 9663-9673.
  55. X. Wang, Z.-C. Guo, J. Wang, and L. Zhu, “Synthesis design of a self-packaged wideband out-of-phase filtering power divider implemented by PCB lamination process,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.13, no.11, Nov. 2023, pp. 1833-1839.
  56. T. Wang, L. Liu, H. Ni, L. Zhu, and G. Q. Luo, “A full-angle scanning leaky-wave antenna based on odd mode SSPP from backfire to endfire,” IEEE Transactions on Antennas and Propagation, vol.71, no.11, Nov. 2023, pp. 8570-8579.
  57. H.-D. Li and L. Zhu, “A compact dual-polarized array antenna for automotive radar application,” IEEE Transactions on Antennas and Propagation, vol.71, no.11, Nov. 2023, pp. 9048-9053.
  58. S.-W. Yu, X. Zhang, Q.-S. Wu, L. Zhu, T. Yuan, and X.-Q. Hu, “Rigorous analysis and design of resistor-loaded patch antennas with flexible gain for indoor radar sensors,” The Applied Computational Electromagnetics Society (ACES) Journal, vol.38, no.10, Oct. 2023, pp.807-816.
  59. N.-W. Liu, B.-B. Huang, L. Zhu, and G. Fu, “Low-profile four-port patch antenna with wide isolation-bandwidth and same polarization: principle and design approach,” IEEE Antennas and Wireless Propagation Letters, vol.22, no.10, Oct. 2023, pp.2407-2411.
  60. Y. Li, J. Wang, L. Zhu, and W. Wu, “A single-layered balanced filtering crossover with high selectivity based on square patch resonator,” IET Microwaves, Antennas & Propagation, vol.17, no.13, Oct. 2023, pp.974-981.
  61. M. Li, C.-L. Zhang, M.-C. Tang, and L. Zhu, “Compact dual-frequency patch antenna with large beamwidth diversity at flexible frequency ratio,” Microwave and Optical Technology Letters, vol.65., no.11, Nov. 2023, pp. 2859-3064.
  62. Q. Liu, G. Zhang, and L. Zhu, “A simple and general method for cross-coupled bandpass filters based on circular patch resonator,” IEEE Transactions on Microwave Theory and Techniques, vol.71, no.9, Sep. 2023, pp. 3991-4002.
  63. F. Huang, L. Zhu, X. Hu, J. Zhou, F. Wang, S. Wang, and G. Zhang, “A fully packaged wideband bandpass power divider based on four-port common-mode network,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.70, no.9, Sep. 2023, pp. 3333-3337.
  64. L.-L. Qiu, Y. Wu, L. Zhu, S. Huang, S. Fang, and L. Deng, “A wideband reflective linear polarization converter on multi‑mode resonant metamaterial with quasi‑elliptic filtering characteristic,” Applied Physics A, vol. 129, no. 727, Sep. 2023, pp.1-10.
  65. Z. Sun, X. Wang, L. Zhu, and G. Lu, “A synthesis method for N-section unequal ultra-wideband Wilkinson power divider with controllable equal-ripple performance,” IEEE Access, vol.11, no.6, Jun. 2023, pp. 59250- 59262.
  66. X. Yu, S.-W. Wong, J.-Y. Lin, Y. He, W. Li, L. Zhang, L. Zhu, and L. Yu, “Inline cavity stepped window bandpass filter with two transmission zeros,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.13, no.7, Jul. 2023, pp.978-987.
  67. Z.-C. Guo, L. Chen, L. Wu, and L. Zhu, “Modular optimization of a fourth-order waveguide filter with parallel coupling paths,” IEEE Transactions on Plasma Science, vol.51, no.7, Jul. 2022, pp. 2093-2097.
  68. D. Yin and L. Zhu, “Single-layer dual-frequency planar pattern manipulation surfaces based on TM02 mode and TM03 mode of patches,” IEEE Transactions on Microwave Theory and Techniques, vol.71, no.8, Aug. 2023, pp. 3436-3445.
  69. T.-X. Feng and L. Zhu, “3-D transmitting pattern manipulation structures using slotline bandpass filter elements: synthetic design and implementation,” IEEE Transactions on Microwave Theory and Techniques, vol.71, no.8, Aug. 2023, pp. 3312-3322.
  70. S.-T. Wang and L. Zhu, “Proposal and design of a null reconfigurable patch antenna on a basis of multimode method,” IEEE Transactions on Antennas and Propagation, vol.71, no.8, Aug. 2023, pp. 6286-6296.
  71. M. Li, Z. Yang, Z. Zhang, M.-C. Tang, and L. Zhu, “Miniaturized, slow-wave transmission line-based annular ring antenna with reconfigurable circular polarization and high gain,” IEEE Antennas and Wireless Propagation Letters, vol.22, no.7, Jul. 2023, pp. 1766-1770.
  72. Z.-J. He, L. Deng, P. Zhang, Y. Liu, T. Yan, C. Liao, S. Huang, L.-L. Qiu, and L. Zhu, “Wideband High Efficiency and Simple-Structured Rectifying Metasurface,” IEEE Transactions on Antennas and Propagation, vol.71, no.7, Jul. 2023, pp. 6202-6207.
  73. S. Yang, X. Wang, L. Zhu, X. Gao, K. Li, V. Shulga, and G. Lu, “A novel power divider with arbitrary power ratio, arbitrary phase difference and controllable bandwidths,” International Journal of Electronics and Communications (AEU), vol.170, Oct. 2023, 154773.
  74. H. Wan, J. Xu, B.-Y. Han, G.-Q. Zhou, Y.-Q. Du, and L. Zhu, “Design of BPF-integrated SPDT switch based on slotline resonators loaded with diodes,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.70, no.7, Jul. 2023, pp. 2405-2409.
  75. F. Liu, J. Xu, H. Wan, H. Zhang, and L. Zhu, “A 5-bit digital phase shifter using phase-tuning property of open-/short-circuit microstrip line-loaded slot line structure,” IEEE Transactions on Microwave Theory and Techniques, vol.71, no.6, Jun. 2023, pp. 2606-2615.
  76. H. Deng and L. Zhu, “Self-decoupled dual-frequency patch antennas via hybrid coupling interface technique,” IEEE Antennas and Wireless Propagation Letters, vol.22, no.6, Jun. 2023, pp. 1256-1260.
  77. N.-W. Liu, B.-B. Huang, L. Zhu, and G. Fu, “Isolation and bandwidth improvements of multi-mode single MPA with co-polarized pattern using characteristic modes analysis,” IEEE Antennas and Wireless Propagation Letters, vol.22, no.6, Jun. 2023, pp. 1356-1360.
  78. X.-H. Mao, W.-J. Lu, F.-Y. Ji, X.-Q. Xing, and L. Zhu, “Dual radial-resonant wide beamwidth circular sector microstrip patch antennas,” Chinese Journal of Electronics, vol.32, no.4, Jul. 2023, pp.1-10. doi: 10.23919/cje.2021.00.219.
  79. Y. Xiao, W.-J. Lu, M.-L. Zhao, L. Liu, and L. Zhu, “Triple-mode resonant backfire feed antenna with nearly equal E-/H-plane and inverse taper patterns,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.70, no.6, Jun. 2023, pp. 1946-1950.
  80. Q.-S. Wu, X.-Y. Tang, X. Zhang, L. Zhu, G. Zhang, and C.-B. Guo, “Circularly-polarized patch antennas with enhanced bandwidth based on capacitively coupled orthogonal patch radiators,” IEEE Open Journal of Antennas and Propagation, vol. 4, May 2023, pp. 472-483.
  81. F. Huang, L. Zhu, and H. Zhang, “Balanced-to-single-ended filtering 180-degree hybrids with arbitrary power-division ratio,” IEEE Transactions on Microwave Theory and Techniques, vol.71, no.5, May 2023, pp. 2082-2090.
  82. L. Zhu and N.-W. Liu, “Multimode resonator technique in antennas: a review,” Electromagnetic Science, vol.1, no.1, Mar. 2023, 0010041, pp.1-17.
  83. H.-D. Li and L. Zhu, “Dual-frequency high-gain horizontally polarized omnidirectional leaky-wave antenna,” IEEE Transactions on Antennas and Propagation, vol.71, no.5, May 2023, pp. 3845-3855.
  84. Z. Zhang, M. Li, Q. Dai, M.-C. Tang, and L. Zhu, “Compact, wideband, dual-band polarization and pattern diversity antenna for vehicle communications,” IEEE Transactions on Antennas and Propagation, vol.71, no.5, May 2023, pp. 4528-4533.
  85. N.-W. Liu, Y.-D. Liang, L. Zhu, Z.-X. Liu, Y. Liu, and S. Sun, “Mutual coupling reduction of a dual-band four-port patch antenna with co-polarized radiation pattern by controlling electric fields,” IEEE Transactions on Antennas and Propagation, vol.71, no.5, May 2023, pp. 4534-4539.
  86. F. Huang and L. Zhu, “Balanced-to-unbalanced filtering in-phase power divider based on 2-D patch resonator,” IEEE Microwave and Wireless Technology Letters, vol.33, no.4, Apr. 2023, pp. 399-402.
  87. L. Qiu, S. Fang, L. Zhu, S. Huang, Y. Wu, and L. Deng, “Filtering linear polarization converters based on multi-mode unit for harmonic suppression,” Journal of Physics D: Applied Physics, Apr. 2023, vol.56, 235001, pp.1-11.
  88. J. Duan and L. Zhu, “A compact low-profile vertically-polarized end-fire leaky wave antenna based on double sided parallel strip line,” IEEE Transactions on Antennas and Propagation, vol.71, no.4, Apr. 2023, pp. 3011-3021.
  89. W. Zhang, B. Li, and L. Zhu, “Orthogonal adjacent-order filtering element-based wideband transmissive linear-to-circular polarization converter,” IEEE Transactions on Antennas and Propagation, vol.71, no.4, Apr. 2023, pp. 3324-3334.
  90. H. Deng and L. Zhu, “Systematic design method for mutual coupling reduction in closely spaced patch antennas,” IEEE Open Journal of Antennas and Propagation, vol. 4, Mar. 2023, pp. 349-360.
  91. T.-X. Feng and L. Zhu, “Ultra-wideband 3-D microwave absorbers with composite slotlines and microstrip lines: synthetic design and implementation,” IEEE Open Journal of Antennas and Propagation, vol. 4, Mr. 2023, pp. 303-311.
  92. Z.-C. Guo, L. Chen, and L. Zhu, “Modular design of waveguide bandpass filters with improved stopband and high selectivity,” IEEE Journal of Microwaves, vol.3, no.2, Apr. 2023, pp. 698-705.
  93. Q.-Y. Zeng, X. Zhang, L. Zhu, Q.-S. Wu, and T. Yuan, “Decoupling of antenna pairs based on equal modal conductance by antenna shape modification,” IEEE Transactions on Antennas and Propagation, vol.71, no.3, Mar. 2023, pp. 2182-2193.
  94. L.-J. Xu, L. Zhu and M. Liang, “Impedance matching at skin-air interface for transmission range improvement of implantable antenna,” IEEE Transactions on Antennas and Propagation, vol.71, no.3, Mar. 2023, pp. 2235-2246.
  95. L.-L. Qiu, S. Fang, L. Zhu, L. Deng, S. Huang, Y. Wu, X. Gao, and X. Zhang, “Wideband high-selective linear polarization converter and its application in bifunctional metasurface for reduced isolation band,” IEEE Transactions on Antennas and Propagation, vol.71, no.3, Mar. 2023, pp. 2735-2744.
  96. T. Wei, B. Li, L. Zhu, and C.-H. Cheng, “Synthesis of a polarization-rotating surface with reflective filtering response based on orthogonally inserted coupled slot-lines,” IET Microwaves, Antennas & Propagation, 2023, https://doi.org/10.1049/mia2.12335.
  97. M.-L. Zhao, F.-Y. Ji, W.-J. Lu, Y. Xiao, D.-S. Zhang, and L. Zhu, “Backfire patch antenna with enhanced gain and low side-lobe level under triple-mode resonance,” International Journal of RF and Microwave Computer-Aided Engineering, vol.33, Feb. 2023, e9639026.
  98. T. Wei, B. Li, H. Li, L. Zhu, and C.-H. Cheng, “Synthesis of three-dimensional polarization rotation transmissive surface by arbitrary angle based on orthogonally inserted parallel-couple slotlines,” IEEE Open Journal of Antennas and Propagation, vol. 4, Feb. 2023, pp. 168-179.
  99. S.-T. Wang, L. Zhu, and H. Deng, “Design approach for pattern-reconfigurable patch antenna without extra feeding networks,” IEEE Transactions on Antennas and Propagation, vol.71, no.2, Feb. 2023, pp. 1925-1930.
  100. Y. Xu, L. Zhu, N.-W. Liu, and L.-L. Qiu, “An inductively coupled CP slot antenna based on intrinsic 90° phase difference and its flexible application in wideband CP radiation,” IEEE Transactions on Antennas and Propagation, vol.71, no.2, Feb. 2023, pp. 1204-1215.
  101. H. Wan, J. Xu, H. Zhang and L. Zhu, “Wideband-filtering switches with ultra-wide stopband using P-I-N diodes loaded on slotline,” IEEE Transactions on Circuits and Systems I: Regular Papers, vol.70, no.2, Feb. 2023, pp. 931-939.
  102. Q. Fu, H. Ni, G. Q. Luo, L. Zhu, and L. Liu, “A high aperture efficiency endfire antenna based on spoof surface plasmon polaritons,” IEEE Transactions on Antennas and Propagation, vol.71, no.1, Jan. 2023, pp.50-57.
  103. N. Zhang, X. Wang, L. Zhu, and G. Lu, “A novel unequal power divider with general isolation topology: design and verification,” IEEE Microwave and Wireless Technology Letters, vol.33, no.1, Jan. 2023, pp.19-22.
  104. F. Huang, L. Zhu, and H. Zhang, “Study on a multi-point differential feeding strategy for design of filtering patch antennas with stopband enhancement,” IEEE Transactions on Antennas and Propagation, vol.70, no.12, Dec. 2022, pp. 11293-11300.
  105. H.-D. Li and L. Zhu, “A standing-wave microstrip leaky-wave antenna on EH₁/EH₃ modes with enhanced broadside gain,” IEEE Transactions on Antennas and Propagation, vol.70, no.12, Dec. 2022, pp. 11313-11323.
  106. M. Li, S.-K. Li, M.-C. Tang, and L. Zhu, “A compact, single-layer, index-modulated microstrip antenna with stable customized tilted beam over a wide bandwidth,” IEEE Transactions on Antennas and Propagation, vol.70, no.12, Dec. 2022, pp. 11465-11474.
  107. W. Zhang, L. Zhu, and B. Li, “Synthesis design of inductively-coupled 3-D bandpass frequency-selective structures based on equivalent SOL-extracted circuit model,” IEEE Transactions on Antennas and Propagation, vol.70, no.12, Dec. 2022, pp. 11881-11891.
  108. T. Wei, B. Li, H. Li, L. Zhu, and C.-H. Cheng, “Synthesis of three-dimensional polarization-rotating surface based on orthogonally inserted parallel-coupled slotlines,” IEEE Transactions on Antennas and Propagation, vol.70, no.12, Dec. 2022, pp. 11957-11967.
  109. N.-W. Liu, Y.-D. Liang, L. Zhu, G. Fu, Y. Liu, and Y. Yun, “Electric-field null bending of a single dual-port patch antenna for co-linear polarization decoupling using characteristic modes analysis,” IEEE Transactions on Antennas and Propagation, vol.70, no.12, Dec. 2022, pp. 12247-12252.
  110. L. Wang, S.-W. Wong, X. Zhang, Y. He, L. Zhang, W. Li, and L. Zhu, “Stable high-gain linearly and circularly polarized dielectric resonator antennas based on multiple high-order modes,” IEEE Transactions on Antennas and Propagation, vol.70, no.12, Dec. 2022, pp. 12270-12275.
  111. J.-M. Xie, L. Zhu, and B. Li, “Single-polarized low-profile high-order bandpass frequency selective surfaces based on aperture-coupled patch resonators under TM00 and TM01 modes,” IEEE Transactions on Antennas and Propagation, vol.70, no.12, Dec. 2022, pp. 12393-12398.
  112. H. Deng and L. Zhu, “Port isolation improvement of full-duplex single-patch antenna by loading full-wave resonators,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.12, Dec. 2022, e23456.
  113. X. Zhang, L. Feng, L. Zhu, X. Zhang, W. Shi, and Y. Zhang, “A novel MS to SL vialess vertical transition for high-performance substrate integrated filter,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.12, Dec. 2022, e23487.
  114. D.-S. Zhang, S.-S. Gu, M.-G. Pan, W.-J. Lu, and L. Zhu, “Hybrid lumped-distributed loading design approach to wideband dual-mode resonant monopole antennas,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.11, Nov. 2022, e23369.
  115. G.-X. Li, X. Zhang, Q.-S. Wu, L. Zhu, S.-W. Wong, and T. Yuan, “Wideband planar coupled patch antennas with enhanced radiation pattern stability,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.11, Nov. 2022, e23399.
  116. H. Lin, Y. Li, S.-W. Wong, K. W. Tam, B. Liu, and L. Zhu, “High-selectivity FA-FA-based frequency selective surfaces using magnetoelectronic dipole antennas,” IEEE Transactions on Antennas and Propagation, vol.70, no.11, Nov. 2022, pp. 10669-10677.
  117. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Dual-band series-fed arrays using coupled line sections with improved performance,” IEEE Transactions on Antennas and Propagation, vol.70, no.11, Nov. 2022, pp. 10365-10377.
  118. Y. Luo, L. Zhu, Y. Liu, Y. Xu, N. Liu, and S. Gong, “Efficiency improvement of smartphone antennas using higher-order mode suppression under characteristic mode analysis,” IEEE Transactions on Antennas and Propagation, vol.70, no.11, Nov. 2022, pp. 10304-10317.
  119. Y. Xu, L. Zhu, N.-W. Liu, and M. Li, “A dual-band dual-circularly-polarized slot antenna with stable in-band gain and reduced frequency ratio under triple resonance,” IEEE Transactions on Antennas and Propagation, vol.70, no.11, Nov. 2022, pp. 10199-10206.
  120. Q. Liu and L. Zhu, “A compact wideband filtering antenna on slots-loaded square patch radiator under triple resonant modes,” IEEE Transactions on Antennas and Propagation, vol.70, no.10, Oct. 2022, pp. 9882-9887.
  121. W. Zhang, B. Li, L. Zhu, X. Zhao, Y.-P. Lyu, and C.-H. Cheng, “Synthesis design of bandpass frequency selective surface with multiple transmission zeros using slotline structures,” IEEE Transactions on Antennas and Propagation, vol.70, no.10, Oct. 2022, pp. 9449-9459.
  122. H. Li, B. Li, and L. Zhu, “Direct synthesis and design of wideband linear-to-circular polarizers on 3-D frequency selective structures,” IEEE Transactions on Antennas and Propagation, vol.70, no.10, Oct. 2022, pp. 9385-9395.
  123. T.-X. Feng, L. Zhu, T. Wei, and B. Li, “Planar pattern manipulation surfaces using dual-polarized pin-loaded patch resonating elements,” IEEE Transactions on Antennas and Propagation, vol.70, no.10, Oct. 2022, pp. 8748-8756.
  124. T.-X. Feng, L. Zhu, X. Zhao, and B. Li, “3-D pattern modulation surfaces using short-circuited slotline structure: proposal, design, and implementation,” IEEE Transactions on Antennas and Propagation, vol.70, no.10, Oct. 2022, pp. 8739-8747.
  125. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “A unified synthesis method for series-fed networks under equal/unequal distributions with bandwidth enhancement,” IEEE Transactions on Antennas and Propagation, vol.70, no.9, Sep. 2022, pp. 7954-7966.
  126. Y. Luo, X. Wang, and L. Zhu, “Beamwidth-enhanced circularly polarized antenna using non-uniformly compressed high-order mode dipoles,” IEEE Transactions on Antennas and Propagation, vol.70, no.9, Sep. 2022, pp. 7831-7842.
  127. X. Zhang, Z.-P. Zhong, Q.-Y. Zeng, Q.-S. Wu, L. Zhu, and T. Yuan, “Principle and unified design of circularly-polarized quadruple inverted-F antenna with miniaturized size and enhanced front-to-back ratio,” IEEE Transactions on Antennas and Propagation, vol.70, no.9, Sep. 2022, pp. 7735-7744.
  128. F. Huang, L. Zhu, and X. Hu, “A fully packaged bandpass filter on stripline patch resonator with wide upper-stopband,” IEEE Microwave and Wireless Components Letters, vol.32, no.10, Oct. 2022, pp.1155-1158.
  129. T.-X. Feng, L. Zhu, W. Zhang, and B. Li, “Designs of planar pattern manipulation surfaces using patch resonating elements loading with dual-polarized slots for multi-user systems,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.10, Oct. 2022, e23303.
  130. X.-H. Mao, W.-J. Lu, F.-Y. Ji, and L. Zhu, “Triple-mode resonant null frequency scanning antenna with positive scanned slope,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.10, Oct. 2022, e23313.
  131. H.-D. Li and L. Zhu, “Dual-frequency microstrip leaky-wave antenna for high-gain broadside radiation,” IEEE Transactions on Antennas and Propagation, vol.70, no.8, Aug. 2022, pp. 6560-6570.
  132. X.-Q. Xing, W.-J. Lu, F.-Y. Ji, L. Zhu, and H.-B. Zhu, “Low-profile dual-resonant wideband backfire antenna for vehicle-to-everything applications,” IEEE Transactions on Vehicular Technology, vol.71, no.8, Aug. 2022, pp. 8330-8340.
  133. Y. Luo, L. Zhu, Y. Liu, and S. Gong, “A decoupling structure without sacrificing antenna-element performance for 5G smartphone designs,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.9, Sep. 2022, e23258.
  134. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Theory and design of quasi-lumped-element wideband filtering phase shifters,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.9, Sep. 2022, e23251.
  135. S.-S. Gu, W.-J. Lu, X.-H. Mao, and L. Zhu, “High-order mode resonant planar dual-sense bidirectional circularly polarized antenna with arbitrary orthogonal polarization flared angles,” IEEE Transactions on Antennas and Propagation, vol.70, no.7, Jul. 2022, pp. 5965-5970.
  136. J.-M. Xie, B. Li, and L. Zhu, “Dual-band circular polarizers with versatile polarization conversions based on aperture-coupled patch resonators,” IEEE Transactions on Antennas and Propagation, vol.70, no.7, Jul. 2022, pp. 5584-5596.
  137. X. Zhang, Q.-Y. Zeng, Z.-P. Zhong, Q.-S. Wu, L. Zhu, T. Yuan, Q.-H. Jiang, and B. Mei, “Analysis and design of stable-performance circularly-polarized antennas based on coupled radiators for smart watches,” IEEE Transactions on Antennas and Propagation, vol.70, no.7, Jul. 2022, pp. 5312-5323.
  138. J. Yu, W.-J. Lu, Y. Cheng, and L. Zhu, “Dual-resonant wideband microstrip annular sector patch antenna with increased backfire radiations,” IEEE Transactions on Antennas and Propagation, vol.70, no.6, Jun. 2022, pp. 4181-4188.
  139. Z.-A. Ouyang, L. Zhu, and L.-L. Qiu, “Wideband balanced filters with intrinsic common-mode suppression on coplanar stripline-based multimode resonators,” IEEE Transactions on Circuits and Systems I: Regular Papers, vol.69, no.6, pp.2263-2275.
  140. Y. Liu, S. Sun, and L. Zhu, “2n-Way wideband filtering power dividers with good isolation enhanced by a modified isolation network,” IEEE Transactions on Microwave Theory and Techniques, vol.70, no.6, Jun. 2022, pp.3177-3187.
  141. L. Feng, J. Chen, X. Yu, L. Zhu, and H. Liu, “A novel wideband 90° filtering phase shifter using broadside-coupled MSLs.” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.69, no.6, Jun. 2022, pp.2742-2746.
  142. X. Yu, J. Chen, L. Feng, L. Zhu, and H. Liu, “Synthesis design of wideband phase shifter using coupled-line structure,” IEEE Microwave and Wireless Components Letters, vol.32, no.6, Jun. 2022, pp.515-518.
  143. P. F. Zhang, S. Sun, and L. Zhu, “Design of periodic end-coupled leaky-wave antenna with asymmetrically loading unit,” IEEE Antennas and Wireless Propagation Letters, vol.21, no.6, Jun. 2022, pp. 1080-1084.
  144. M. Li, L. Pu, M.-C. Tang, and L. Zhu, “A single-layer dual-band array at low frequency ratio with concurrent broad fan beam and narrow pencil beam,” IEEE Transactions on Antennas and Propagation, vol.70, no.5, May 2022, pp. 3354-3365.
  145. Z. Chen, M. Wang, D. Guan, Z. Qian, W. Wu, and L. Zhu, “Wideband filtering antenna fed by hybrid substrate integrated waveguide and spoof localized surface plasmon structure,” IEEE Transactions on Antennas and Propagation, vol.70, no.5, May 2022, pp. 3812-3817.
  146. Y. Xu, L. Zhu, and N.-W. Liu, “Design approach for a dual-band circularly polarized slot antenna with flexible frequency ratio and similar in-band gain,” IEEE Antennas and Wireless Propagation Letters, vol.21, no.5, May 2022, pp. 1037-1041.
  147. N.-W. Liu, L. Zhu, Z.-X. Liu, G. Fu, and Y. Liu, “Design approach for low-profile tri-polarization patch antenna with simultaneous harmonic suppression,” IEEE Transactions on Antennas and Propagation, vol.70, no.4, Apr. 2022, pp. 2401-2410.
  148. Y. Luo, L. Zhu, Y. Liu, N. Liu, and S. Gong, “Multi-band monopole smartphone antenna with bandwidth enhancement under radiation of multiple same-order modes,” IEEE Transactions on Antennas and Propagation, vol.70, no.4, Apr. 2022, pp. 2580-2592.
  149. Q.-S. Wu, X. Zhang, L. Zhu, J. Wang, G. Zhang, and C.-B. Guo, “A single-layer dual-band dual-sense circularly-polarized patch antenna array with small frequency ratio,” IEEE Transactions on Antennas and Propagation, vol.70, no.4, Apr. 2022, pp. 2668-2675.
  150. J. Duan and L. Zhu, “A compact narrow-width end-fire leaky wave antenna on coplanar stripline,” IEEE Transactions on Antennas and Propagation, vol.70, no.4, Apr. 2022, pp. 3011-3016.
  151. J. Duan and L. Zhu, “Numerical short-open-load (SOL) calibration technique for accurate extraction of electrically small planar/non-planar microstrip-line circuits,” IEEE Transactions on Microwave Theory and Techniques, vol.70, no.4, Apr. 2022, pp.2067-2076.
  152. H. Li, X. Guo, T. Yu, L. Zhu, and Wen Wu. “Wideband continuously tunable phase shifter with phase slope tunability and low phase error,” IEEE Transactions on Microwave Theory and Techniques, vol.70, no.4, Apr. 2022, pp.2147-2155.
  153. Z. Huang, X. Wang, L. Zhu, and G. Lu, “A novel ring type wideband bandpass filter: proposal, design and verification,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.69, no.3, Mar. 2022, pp.949-953.
  154. Z.-C. Guo, G. Zhang, Y.-P. Lyu, and L. Zhu, “Multi-band waveguide filters with compact size and large frequency ratio,” IEEE Transactions on Plasma Science, vol.50, no.3, Mar. 2022, pp.761-766.
  155. J.-F. Lin, H. Deng, and L. Zhu, “Design of low-profile compact MIMO antenna on a single radiating patch using simple and systematic characteristic modes method,” IEEE Transactions on Antennas and Propagation, vol.70, no.3, Mar. 2022, pp. 1612-1622.
  156. H.-D. Li and L. Zhu, “Compact EH0-mode microstrip leaky-wave antenna with enhanced gain in broadside,” IEEE Transactions on Antennas and Propagation, vol.70, no.3, Mar. 2022, pp. 1837-1845.
  157. K.-D. Hong, X. Chen, X. Zhang, L. Zhu, and T. Yuan, “A slot-loaded high-gain circular patch antenna with reconfigurable orthogonal polarizations and low cross polarization,” IEEE Antennas and Wireless Propagation Letters, vol.21, no.3, Mar. 2022, pp. 511-515.
  158. L. Liu, Q. Fu, Y. Hu, G. Q. Luo, and L. Zhu, “An endfire controllable-filtering antenna based on spoof surface plasmon polaritons,” IEEE Antennas and Wireless Propagation Letters, vol.21, no.3, Mar. 2022, pp. 526-530.
  159. Y.-P. Lyu, Y.-J. Zhou, L. Zhu, and C.-H. Cheng, “Compact and high-order on-chip wideband bandpass filters on multimode resonator in integrated passive device technology,” IEEE Electron Device Letters, vol.43, no.2, Feb. 2022, pp.196-199.
  160. N. Zhang, X. Wang, L. Zhu, and G. Lu, “A wideband bandpass power divider with out-of-band multi-transmission zeros and controllable equal-ripple levels,” IEEE Transactions on Microwave Theory and Techniques, vol.70, no.2, Feb. 2022, pp.1178-1187.
  161. M. Li, Z. Zhang, M.-C. Tang, L. Zhu, and N.-W. Liu, “Bandwidth enhancement and size reduction of a low-profile polarization-reconfigurable antenna by utilizing multiple resonances,” IEEE Transactions on Antennas and Propagation, vol.70, no.2, Feb. 2022, pp. 1517-1522.
  162. M. Li, S. Tian, M.-C. Tang, and L. Zhu, “A compact low-profile hybrid-mode patch antenna with intrinsically combined self-decoupling and filtering properties,” IEEE Transactions on Antennas and Propagation, vol.70, no.2, Feb. 2022, pp. 1511-1516.
  163. Y. Yun, Y. Liu, N.-W. Liu, M.-J. Sun, and L. Zhu, “Miniaturized wideband dual-polarized microstrip patch antenna with improved radiation performance,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.3, Mar. 2022, e23031.
  164. Q.-S. Wu, X. Zhang, L. Zhu, Z.-P. Zhong, J. Wang, K. Yu, G. Zhang, and C.-B. Guo, “Linearly and circularly polarized filtering patch antennas with enhanced gain selectivity on a single-layer substrate,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.3, Mar. 2022, e23029.
  165. H. Deng, L. Zhu, N.-W. Liu, and J.-F. Lin, “Co-linear polarization decoupling of two feeding ports in a single patch antenna without radiation patterns deterioration,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.2, Feb. 2022, e 22973.
  166. F.-Y. Ji, X.-H. Mao, W.-J. Lu, and L. Zhu, “Low-profile complementary dipole antenna under quadruple mode resonance with nearly equal E- and H-plane patterns,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.2, Feb. 2022, e22974.
  167. L.-L. Qiu and L. Zhu, “Synthesis design of dual-band differential phase shifters with independent filtering passbands and predetermined phase shifts,” IEEE Transactions on Industrial Electronics, vol.69, no.2, Feb. 2022, pp.1791-1799.
  168. J.-F. Lin and L. Zhu, “Design of adjustable-dual-beam and constant-polarization antenna by odd mode of coupled-patch in central symmetry,” International Journal of RF and Microwave Computer-Aided Engineering, vol.32, no.1, Jan. 2022, e22949.
  169. J.-F. Lin and L. Zhu, “Low-profile high-directivity dual-beam circularly polarized antennas under operation of two odd modes,” IEEE Transactions on Antennas and Propagation, vol.70, no.1, Jan. 2022, pp. 6-16.
  170. N.-W. Liu, L. Zhu, Z.-X. Liu, M. Li, G. Fu, and Y. Liu, “A novel low-profile circularly-polarized diversity patch antenna with extremely small spacing, reduced size and low mutual coupling,” IEEE Transactions on Antennas and Propagation, vol.70, no.1, Jan. 2022, pp. 135-144.
  171. N.-W. Liu, L. Zhu, Z.-X. Liu, G. Fu, and Y. Liu, “Radiation pattern reshaping of a narrow slot antenna for bandwidth-enhancement and stable pattern using characteristic modes analysis,” IEEE Transactions on Antennas and Propagation, vol.70, no.1, Jan. 2022, pp. 726-731.
  172. S. Wang, F. Fan, F. Zhang, Y. Li, G. Zhang, S.-W. Wong, and L. Zhu, “A frequency-reconfigurable inverted-L antenna made of pure water,” IEEE Antennas and Wireless Propagation Letters, vol.21, no.1, Jan. 2022, pp.109-113.
  173. L.-L. Qiu, L. Zhu, Z.-A. Ouyang, and L. Deng, “Wideband Butler matrix based on dual-layer HMSIW for enhanced miniaturization,” IEEE Microwave and Wireless Components Letters, vol.32, no.1, Jan. 2022, pp.25-28.
  174. W. He, Y. He, Y. Li, S.-W. Wong, and L. Zhu, “A compact ultra-wideband circularly polarized antenna array with shared partial patches,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.12, Dec. 2021, pp.2280-2284.
  175. Z.-X. Liu, L. Zhu, and N.-W. Liu, “Dual-band dual-mode patch antenna with high-gain and wide-beam radiations in two respective bands,” IEEE Transactions on Antennas and Propagation, vol.69, no.12, Nov. 2021, pp. 8058-8068.
  176. Y.-P. Lyu, K.-S. Kong, L. Zhu, and C.-H. Cheng, “A new miniaturized broadband multi-way and poly-phase differential phase shifter on single-layer PCB substrate,” IEEE Transactions on Microwave Theory and Techniques, vol.69, no.12, Dec. 2021, pp. 5305-5316.
  177. Q. Liu and L. Zhu, “A low-profile dual-band filtering hybrid antenna with broadside radiation based on patch and SIW resonators,” IEEE Open Journal of Antennas and Propagation, vol.2, Dec. 2021, pp. 1132-1142.
  178. S.-Y. Tang, N.-W. Liu, J. Chen, X.-Y. Wang, G. Fu, and L. Zhu, “Low-profile wideband patch Antenna with pattern diversity using custom-designed feeding schemes,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.12, Dec. 2021, e22893.
  179. J.-Y. Wang, W.-J. Lu, W.-L. Zhang, and L. Zhu, “Balanced low-profile wide beamwidth circularly polarized stacked loop antenna,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.11, Nov. 2021, e22848.
  180. L. Liu, Y. Jiang, Y. Hu, D. Jiang, and L. Zhu, “Wideband millimeter-wave endfire antenna based on symmetrical spoof surface plasmon polaritons,” IEEE Transactions on Antennas and Propagation, vol.69, no.11, Nov. 2021, pp. 7386-7393.
  181. R.-S. Chen, L. Zhu, J.-Y. Lin, S.-W. Wong, Y. Yang, Y. Li, L. Zhang, and Y. He, “High-isolation in-band full-duplex cavity-backed slot antennas in a single resonant cavity,” IEEE Transactions on Antennas and Propagation, vol.69, no.11, Nov. 2021, pp. 7092-7102.
  182. Z.-Z. Chen, D.-F. Guan, R.-Q. Xiao, Z.-p. Qian, W. Wu, and L. Zhu, “Wideband cavity-backed slot array with high gain and high aperture efficiency,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.11, Nov. 2021, e22822.
  183. H.-D. Li and L. Zhu, “Study on bandwidth properties of EH1-mode microstrip leaky-wave antenna for broadside radiation,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.10, Oct. 2021, pp.2028-2032.
  184. R.-S. Chen, S.-W. Wong, G.-L. Huang, Y. He, and L. Zhu, “Bandwidth-enhanced high-gain full-metal filtering slot antenna array using TE101 and TE301 cavity modes,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.10, Oct. 2021, pp.1943-1947.
  185. J. Duan and L. Zhu, “An EH0-mode microstrip leaky wave antenna on differentially-excited coupled line for transversal single beam radiation,” IEEE Transactions on Antennas and Propagation, vol.69, no.10, Oct. 2021, pp. 6941-6946.
  186. R.-S. Chen, L. Zhu, S.-W. Wong, X.-Z. Yu, Y. Li, W. He, L. Zhang, and Y. He, “Novel reconfigurable full-metal cavity-backed slot antennas using movable metal posts,” IEEE Transactions on Antennas and Propagation, vol.69, no.10, Oct. 2021, pp. 6154-6164.
  187. T. Pei, L. Zhu, J. Wang, and W. Wu, “A low-profile decoupling structure for mutual coupling suppression in MIMO patch antenna,” IEEE Transactions on Antennas and Propagation, vol.69, no.10, Oct. 2021, pp. 6145-6153.
  188. R.-S. Chen, L. Zhu, S.-W. Wong, X.-Z. Yu, J.-Y. Lin, Y. Li, and Y. He, “Circularly-polarized cavity-backed slot antenna array with simplified feeding structure,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.10, Oct. 2021, e22859.
  189. J.-M. Xie, B. Li, L. Zhu, and H. Li, “High-order bandpass polarization rotator based on aperture-coupled patch resonators,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.9, Sep. 2021, pp.1809-1813.
  190. G.-W. Chen, S.-W. Wong, Y. Li, R.-S. Chen, L. Zhang, A. K. Rashid, N. Xie, and L. Zhu, “High roll-off frequency selective surface with quasi-elliptic bandpass response,” IEEE Transactions on Antennas and Propagation, vol.69, no.9, Sep. 2021, pp.5740-5749.
  191. R.-S. Chen, L. Zhu, S.-W. Wong, J.-Y. Lin, Y. Li, L. Zhang, and Y. He, “S-band full-metal circularly-polarized cavity-backed slot antenna with wide bandwidth and wide beamwidth,” IEEE Transactions on Antennas and Propagation, vol.69, no.9, Sep. 2021, pp.5963-5968.
  192. W.-Q. Jia, F.-Y. Ji, W.-J. Lu, C.-X. Pan, and L. Zhu, “Dual-resonant high-gain wideband Yagi-Uda antenna using full-wavelength sectorial dipoles,” IEEE Open Journal of Antennas and Propagation, vol.2, Aug. 2021, pp.872-881.
  193. Z.-A. Ouyang, L. Zhu, and L.-L. Qiu, “Wideband balanced filters with intrinsic common-mode suppression using coplanar strip double-sided shunt stub structures,” IEEE Transactions on Microwave Theory and Techniques, vol.69, no.8, Aug. 2021, pp.3770-3782.
  194. Z.-A. Ouyang, L. Zhu, and L.-L. Qiu, “Wideband balanced-to-balanced microstrip-to-coplanar strip transitions with intrinsic common-mode suppression,” IEEE Transactions on Microwave Theory and Techniques, vol.69, no.8, Aug. 2021, pp.3726-3736.
  195. Y. Xu, L. Zhu, and N.-W. Liu, “A folded higher-mode slot antenna with enhanced bandwidth and radiation pattern reshaping,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.9, Sep. 2021, e22777.
  196. L.-L. Qiu and L. Zhu, “Synthesis design of filtering differential phase shifters of independently suppressed harmonics,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.68, no.8, Aug. 2021, pp.2760-2764.
  197. F. Fan, S. Wang, L. Zhu, L. Yang, Y. Li, G. Zhang, and S.-W. Wong, “Sub-6GHz ceramic inverted-L antenna with nonresonant structure and leaky-wave radiation,” Applied Physics Letters, vol.119, no.3, Jul. 2021, pp.033501(1-5).
  198. X. Wang, J. Wang, L. Zhu, W.-W. Choi, and W. Wu, “Design of compact planar power divider with wideband bandpass response and high in-band isolation,” IET Microwaves, Antennas & Propagation, vol.15, no.8, Jul. 2021, pp. 954-965.
  199. N.-W. Liu, Y.-D. Liang, L. Zhu, Z.-X. Liu, and G. Fu, “A low-profile, wideband, filtering-response, omnidirectional dielectric resonator antenna without enlarged size and extra feeding circuit,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.7, Jul. 2021, pp.1120-1124.
  200. H. Li, B. Li, and L. Zhu, “A generalized synthesis technique for high-order and wideband 3-D frequency selective structures with Chebyshev functions,” IEEE Transactions on Antennas and Propagation, vol.69, no.7, Jul. 2021, pp. 3936-3944.
  201. C.-X. Pan, W.-J. Lu, W.-Q. Jia, and L. Zhu, “Triple-resonant wideband 1.5-wavelength sectorial dipole antenna,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.8, Aug. 2021, e22728.
  202. Y. Liu, S. Sun, and L. Zhu, “Design of dual-band filtering power dividers with designable port-to-port isolation network,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.8, Aug. 2021, e22717.
  203. N.-W. Liu, Y.-D. Liang, L. Zhu, H. Zhou, and G. Fu, “A low-profile dual-band shorted patch antenna with enhanced-bandwidth and multifunctional beams under reshaped modes,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.8, Aug. 2021, e22726.
  204. Y. Liu, S. Sun, and L. Zhu, “Design of N-way wideband filtering power dividers with good port-to-port isolation,” IEEE Transactions on Microwave Theory and Techniques, vol.69, no.7, Jul. 2021, pp.3298-3306.
  205. R.-S. Chen, S.-W. Wong, J.-Y. Lin, Y. Yang, Y. Li, L. Zhang, Y. He, and L. Zhu, “Reconfigurable cavity bandpass filters using fluid dielectric,” IEEE Transactions on Industrial Electronics, vol.68, no.9, Sep. 2021, pp.8603-8614.
  206. K.-D. Hong, X. Zhang, L. Zhu, and T. Yuan, “A high-gain and pattern-reconfigurable patch antenna under operation of TM20 and TM21 modes,” IEEE Open Journal of Antennas and Propagation, vol.2, May 2021, pp.646-653.
  207. Y. Liu, Y. Hu, P. Chu, Q. Zhang, and L. Zhu, “Compact and narrow-band bandpass filter using spoof surface plasmon polaritons,” IEEE Photonics Technology Letters, vol.33, no.13, Jul. 2021, pp.676-679.
  208. M. Li, L. Zhu, D. Yi, and M.-C. Tang, “A compact, high-efficiency, reflectionless leaky-wave antenna,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.6, Jun. 2021, pp.888-992.
  209. S.-Y. Tang, J. Chen, N.-W. Liu, G. Fu, L. Zhu, and J. Chen, “A low-profile microstrip patch antenna with enhanced bandwidth and pattern diversity using even- and odd-order modes,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.6, Jun. 2021, pp.998-1002.
  210. L.-L. Qiu and L. Zhu, “Wideband filtering differential phase shifter with enhanced harmonic suppression,” IEEE Microwave and Wireless Components Letters, vol.31, no.5, May 2021, pp.445-448.
  211. R.-S. Chen, L. Zhu, S.-W. Wong, J.-Y. Lin, Y. Yang, Y. Li, and Y. He, “Miniaturized full-metal bandpass filter and multiplexer using circular spiral resonator,” IET Microwaves, Antennas & Propagation, vol.15, no.6, May 2021, pp.606-619.
  212. K.-D. Hong, S. Zhong, X. Zhang, L. Zhu, Z. Chen, and T. Yuan, “A monolithic missile radome with improved radiation patterns for application in frequency modulated continuous wave radar,” International Journal of Electronics and Communications (AEU), vol.132, Apr. 2021, 153653.
  213. R.-S. Chen, L. Zhu, S.-W. Wong, X.-Z. Yu, Y. Li, L. Zhang, and Y. He, “Low-sidelobe cavity-backed slot antenna array with simplified feeding structure for vehicular communications,” IEEE Transactions on Vehicular Technology, vol. 70, no.4, Apr. 2021, pp.3652-3660.
  214. N.-W. Liu, S. Gao, G. Fu, and L. Zhu, “A low-profile dual-band patch antenna with simultaneous wide-beamwidth and high-gain by using multiresonant modes,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.5, May 2021, pp.813-817.
  215. L.-J. Xu, Z.-J. Chu, L. Zhu, J.-P. Xu and Z. Duan, “Design and analysis of dual-band implantable antennas based on effective relative permittivity calculation,” IEEE Transactions on Antennas and Propagation, vol.69, no.5, May 2021, pp. 2463-2472.
  216. J. Duan and L. Zhu, “A transversal single-beam EH0-mode microstrip leaky wave antenna on coupled microstrip lines under differential operation,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.4, Apr. 2021, pp.592-596.
  217. J.-M. Xie, B. Li, Y.-P. Lyu, and L. Zhu, “Single- and dual-band high-order bandpass frequency selective surfaces based on aperture-coupled dual-mode patch resonators,” IEEE Transactions on Antennas and Propagation, vol.69, no.4, Apr. 2021, pp. 2130-2141.
  218. Y.-P. Lyu, B. Li, L. Zhu, and C.-H. Cheng, “A new compact and wideband quadrature feeding network with an integrated asymmetrical phase shifter,” IET Microwaves, Antennas & Propagation, vol. 15, no.4, Mar. 2021, pp. 397-403.
  219. L.-L. Qiu and L. Zhu, “Dual-band filtering differential phase shifter using cascaded wideband phase shifter and bandstop network with two same phase shifts,” IEEE Microwave and Wireless Components Letters, vol.31, no.3, Mar. 2021, pp.261-264.
  220. Z.-A. Ouyang, L.-L. Qiu, and L. Zhu, “Coplanar waveguide-serially-connected coplanar strip dual stub structure for wideband bandpass filters,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.4, Apr. 2021, e22571.
  221. S.-J. Li, W.-J. Lu, and L. Zhu, “Dual-band stacked patch antenna with wide E-plane beam width and stable gain at both bands,” Microwave and Optical Technology Letters, vol.63, no.4, Apr. 2021, pp.1264-1270.
  222. X. Wang, M. Wang, G. Zhang, L. Zhu, W.-W. Choi, and J. Wang, “Design of a compact microstrip balanced-to-balanced filtering power divider with real impedance-transformation functionality,” IET Microwaves, Antennas & Propagation, vol.15, no.5, Mar. 2021, pp.481-494.
  223. B.-G. Liu, Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Compact square substrate integrated waveguide filtering power divider with wideband isolation,” IEEE Microwave and Wireless Components Letters, vo.31, no.2, Feb. 2021, pp.109-112.
  224. J.-F. Lin and L. Zhu, “Low-profile high-directivity circularly-polarized differential-fed patch antenna with characteristic modes analysis,” IEEE Transactions on Antennas and Propagation, vol.69, no.2, Feb. 2021, pp. 723-733.
  225. X. Zhang, T.-Y. Tan, Q.-S. Wu, L. Zhu, S. Zhong, and T. Yuan, “Pin-loaded patch antenna fed with a dual-mode SIW resonator for bandwidth enhancement and stable high gain,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.2, Feb. 2021, pp.279-283.
  226. S.-W. Wong, J.-Y. Lin, Y. Yang, Z.-C. Guo, L. Zhu, and Q.-X. Chu, “Microwave waveguide components based on multiple-mode resonators,” IEEE Microwave Magazine, vol.22, no.2, Feb. 2021, pp.33-45.
  227. Y. Li, S.-W. Wong, S. Wang, J.-Y. Lin, B. Liu, L. Zhu, and Y. He, “Frequency selective surface with quasi-elliptic bandpass response using radiation null of patch antenna,” IEEE Antennas and Wireless Propagation Letters, vol.20, no.1, Jan. 2021, pp.13-17.
  228. Y. Xu, N.-W. Liu, and L. Zhu, “Proposal and design of an end-fire slot antenna with low back-lobe and improved front-to-back ratio,” International Journal of RF and Microwave Computer-Aided Engineering, vol.31, no.1, Jan. 2021, e22508.
  229. Z.-B. Zhao, W.-J. Lu, L. Zhu, and J. Yu, “Wideband wide beamwidth full-wavelength sectorial dipole antenna under dual-mode resonance,” IEEE Transactions on Antennas and Propagation, vol.69, no.1, Jan. 2021, pp. 14-24.
  230. X. Zhang, K.-D. Hong, L. Zhu, X.-K. Bi, and T. Yuan, “Wideband differentially-fed patch antennas under dual high-order modes for stable high gain,” IEEE Transactions on Antennas and Propagation, vol.69, no.1, Jan. 2021, pp. 508-513.
  231. Y. Xu, N.-W. Liu, and L. Zhu, “Wideband microstrip-fed slot antenna with end-fire radiation under dual-resonant modes,” International Journal of RF and Microwave Computer-Aided Engineering, vol.30, no.12, Dec. 2020, e22458.
  232. J.-M. Xie, B. Li, Y.-P. Lyu, and L. Zhu, “High-order bandpass frequency selective surface based on aperture-coupled patch resonators under dual resonance,” Electronics Letters, vol.56, no.25, Dec. 2020, pp.1409-1411.
  233. W. Zhang, B. Li, L. Zhu, Y.-P. Lyu, and C.-H. Cheng, “Stacked slotline structure based unit cell and its application for synthesis of 3-D bandpass frequency selective surfaces,” IEEE Transactions on Antennas and Propagation, vol.68, no.12, Dec. 2020, pp. 7958-7968.
  234. H. Deng, L. Zhu, N.-W. Liu, and Z.-X. Liu, “Single-layer dual-mode microstrip antenna with no feeding network for pattern diversity application,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.12, Dec. 2020, pp.2442-2446.
  235. P. F. Zhang, L. Zhu, and S. Sun, “Microstrip-line EH1/EH2-mode leaky-wave antennas with backward-to-forward scanning,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.12, Dec. 2020, pp.2363-2367.
  236. J. Duan and L. Zhu, “An EH0-mode microstrip leaky-wave antenna with transversal single beam via periodical loading of shorting pins and U-shaped slots,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.12, Dec. 2020, pp.2187-2191.
  237. G.-W. Chen, S.-W. Wong, Y. Li, Z.-C. Guo, L. Zhang, A. K. Rashid, N. Xie, and L. Zhu, “Low profile and high passband roll-off frequency-selective structure using bent waveguides,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.12, Dec. 2020, pp.2117-2121.
  238. J. Shi, L. Zhu, N.-W. Liu, and W. Wu, “Design approach for a microstrip Yagi antenna with a switched beam using resonant TM10 and TM20 modes,” IEEE Access, vol. 8, no.12, Dec. 2020, pp. 224365-224371.
  239. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Wideband phase shifters with miniaturized size on multiple series and shunt resonators: proposal and synthetic design,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no.12, Dec. 2020, pp. 5221-5234.
  240. B.-G. Liu, Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Compact single- and dual-band filters on hexa-modes half-mode substrate integrated waveguide resonator with loaded H-shaped slot,” IEEE Microwave and Wireless Components Letters, vol.30, no.12, Dec. 2020, pp.1129-1132.
  241. L.-L. Qiu and L. Zhu, “’Wideband bandstop filters based on wideband 180° phase shifters,” IET Microwaves, Antennas & Propagation, vol.14, no.13, Oct. 2020, pp.1662-1670.
  242. Z.-X. Liu, L. Zhu, and N.-W. Liu, “A compact omnidirectional patch antenna with ultra-wideband harmonic suppression,” IEEE Transactions on Antennas and Propagation, vol.68, no.11, Nov. 2020, pp. 7640-7645.
  243. J.-F. Lin and L. Zhu, “Bandwidth and gain enhancement of patch antenna based on coupling analysis of characteristic modes,” IEEE Transactions on Antennas and Propagation, vol.68, no.11, Nov. 2020, pp. 7275-7286.
  244. Z.-F. Wu, W.-J. Lu, J. Yu, and L. Zhu, “Wideband null frequency scanning circular sector patch antenna under triple-resonance,” IEEE Transactions on Antennas and Propagation, vol.68, no.11, Nov. 2020, pp. 7266-7274.
  245. H. Li, B. Li, and L. Zhu, “Wideband bandpass frequency selective structures on stacked slotline resonators: proposal and synthetic design,” IEEE Transactions on Antennas and Propagation, vol.68, no.10, Oct. 2020, pp. 7068-7078.
  246. N.-W. Liu, L. Zhu, Z.-X. Liu, Z.-Y. Zhang, and G. Fu, “Frequency-ratio reduction of a low-profile dual-band dual-circularly polarized patch antenna under triple-resonance,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.10, Oct. 2020, pp.1689-1693.
  247. C. Luo, S.-W. Wong, J.-Y. Lin, Y. Yang, Y. Li, X.-Z. Yu, L.-P. Feng, Z.-H. Tu, and L. Zhu, “Quasi-reflectionless microstrip bandpass filters using bandstop filter for out-of-band improvement,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.67, no.10, Oct. 2020, pp. 1849-1853.
  248. M.-J. Sun, N.-W. Liu, L. Zhu, and G. Fu, “Wideband circularly polarized sequentially rotated microstrip antenna array with sequential-phase feeding network,” Journal of Communications and Information Networks, vol.5, no.3, Sep. 2020, pp.350-357.
  249. J. Yu, W.-J. Lu, Y. Cheng, and L. Zhu, “Tilted circularly polarized beam microstrip antenna with miniaturized circular sector patch under wideband dual-mode resonance,” IEEE Transactions on Antennas and Propagation, vol.68, no.9, Sep. 2020, pp. 6580-6590.
  250. G. Zhang, F. Jiao, S. Liu, L. Zhu, S. Wang, Q. Zhang, and J. Yang, “Compact single- and dual-band filtering 180° hybrid couplers on circular patch resonator,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no.9, Sep. 2020, pp. 3675-3685.
  251. Z.-C. Guo, L. Zhu, and S.-W. Wong, “Canonical synthesis of transversal bandpass filters,” IET Microwaves, Antennas & Propagation, vol. 14, no.10, Aug. 2020, pp. 1124-1131.
  252. N.-W. Liu, L. Zhu, Z.-X. Liu, G. Fu, and Y. Liu, “Design approach of a single circularly polarized patch antenna with enhanced AR-bandwidth under triple-mode resonance,” IEEE Transactions on Antennas and Propagation, vol.68, no.8, Aug. 2020, pp. 5827-5834.
  253. Z.-X. Liu, L. Zhu, and N.-W. Liu, “Design approach for compact dual-band dual-mode patch antenna with flexible frequency ratio,” IEEE Transactions on Antennas and Propagation, vol.68, no.8, Aug. 2020, pp. 6401-6406.
  254. R.-S. Chen, L. Zhu, J.-Y. Lin, S.-W. Wong, Y. Yang, Y. Li, L. Zhang, and Y. He, “High efficiency and wideband dual-resonance full-metal cavity-backed slot antenna array,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.8, Aug. 2020, pp.1360-1364.
  255. Z.-A. Ouyang, L. Zhu, L.-L. Qiu, and L.-P. Feng, “Proposal of coplanar stripline series stub structure for wideband bandpass filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no.8, Aug. 2020, pp. 3397-3407.
  256. Y. Cheng, H. Liu, B. Q. Sheng, and L. Zhu, “A compact four-element MIMO antenna for terminal devices,” Microwave and Optical Technology Letters, vol.62, no.9, Sep. 2020, pp.2930-2937.
  257. L.-L. Qiu, L. Zhu, and Y. Xu, “Wideband low-profile circularly polarized patch antenna Using 90° modified Schiffman phase shifter and meandering microstrip feed,” IEEE Transactions on Antennas and Propagation, vol.68, no.7, Jul. 2020, pp. 5680-5685.
  258. R.-S. Chen, L. Zhu, J.-Y. Lin, S.-W. Wong, Y. Li, Y. Yang, and Y. He, “Miniaturized full-metal dual-band filter using dual-mode circular spiral resonators,” IEEE Microwave and Wireless Components Letters, vol.30, no.6, Jun. 2020, pp.573-576.
  259. N.-W. Liu, M.-J. Sun, L. Zhu, Z.-X. Liu, G. Fu, and L.-Y. Ji, “A single-layer single-fed shorted patch antenna with broadside circular polarization by using nondegenerate TM0,1/2 and TM1,1/2 modes,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.6, Jun. 2020, pp.939-943.
  260. Z.-J. Yang, L. Zhu, and S. Xiao, “An implantable wideband microstrip patch antenna based on high-loss property of human tissue,” IEEE Access, vol.8, no.6, Jun. 2020, pp. 93048-93057.
  261. J.-H. Guo, S.-W. Wong, J.-Y. Lin, Y. Li, L. Zhang, L. Zhu, Z.-M. Xie, and Y. He, “A continuously tunable bandpass filter using distilled water based on multiple-mode resonator,” IEEE Microwave and Wireless Components Letters, vol.30, no.5, May 2020, pp.477-480.
  262. Z.-C. Guo, L. Zhu, and S.-W. Wong, “Modular synthesis of waveguide bandpass filters using dual-mode resonators,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no.5, May 2020, pp. 1660-1667.
  263. P. F. Zhang, S. Sun, L. Zhu, and Y. Liu, “Wideband transition for effective excitation of second higher order mode in microstrip line,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.5, May 2020, pp.886-890.
  264. Q. Liu, L. Zhu, J. Wang, and W. Wu, “A wideband patch and SIW cavity hybrid antenna with filtering response,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.5, May 2020, pp.836-840.
  265. N.-W. Liu, S. Gao, L. Zhu, L.-Y. Ji, L. Yang, H.-L. Zheng, “Low-profile microstrip patch antenna with simultaneous enhanced bandwidth, beamwidth, and cross-polarization under dual-resonance,” IET Microwaves, Antennas & Propagation, vol.14. no.5, Apr. 2020, pp. 360-365.
  266. K.-D. Hong, X. Zhang, L. Zhu, X.-K. Bi, and T. Yuan, “A self-balanced wideband patch antenna fed with a U-resonator for stable radiation performance,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.4, Apr. 2020, pp.661-665.
  267. Y. Liu, L. Zhu, and S. Sun, “Proposal and design of a power divider with wideband power division and port-to-port isolation: a new topology,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no.4, Apr. 2020, pp. 1431-1438.
  268. L.-L. Qiu, L. Zhu, and Y.-P. Lyu, “Schiffman phase shifters with wide phase shift range under operation of first and second phase periods in a coupled line,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no.4, Apr. 2020, pp. 1423-1430.
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  270. H. Wu, W.-J. Lu, C. Shen, and L. Zhu, “Wide beamwidth planar self-balanced magnetic dipole antenna with enhanced front-to-back ratio,” International Journal of RF and Microwave Computer-Aided Engineering, vol.30, no.5, May 2020, e22171.
  271. J. Shi, L. Zhu, N.-W. Liu, and W. Wu, “A dual-band dual-mode microstrip Yagi antenna with end-fire radiation,” International Journal of RF and Microwave Computer-Aided Engineering, vol.30, no.4, Apr. 2020, e22132.
  272. L.-L. Qiu, L. Zhu, and Y.-P. Lyu, “Differential phase shifters based on Schiffman type-C and type-F networks with wide phase shift range,” International Journal of RF and Microwave Computer-Aided Engineering, vol.30, no.4, Apr. 2020, e22126.
  273. L. Yang, R. Gómez-García, J.-M. Muñoz-Ferreras, R. Zhang, D. Peroulis, and L. Zhu, “Multilayered reflectionless wideband bandpass filters with shunt/in-series resistively-terminated microstrip lines,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no.3, Mar. 2020, pp. 877-893.
  274. N.-W. Liu, M.-J. Sun, L. Zhu, Z.-H. Jia, L.-Y. Ji, G. Fu, and H.-L. Zheng, “A compact monopolar patch antenna with bandwidth-enhancement under dual-mode resonance,” International Journal of RF and Microwave Computer-Aided Engineering, vol.30, no.3, Mar. 2020, e22088.
  275. S.-W. Wong, J.-Y. Lin, Y. Yang, H. Zhu, R.-S. Chen, L. Zhu, and Y. He, “Cavity balanced and unbalanced diplexer based on triple-mode resonator,” IEEE Transactions on Industrial Electronics, vol.67, no.6, Jun. 2020, pp.4969-4979.
  276. B. Liu, Y.-P. Lyu, L. Zhu, and C. Cheng, “A compact triple-mode band-pass filter with wide-stopband using half-mode substrate integrated waveguide cavity loaded with slots,” Microwave and Optical Technology Letters, vol.62, no.3, Mar. 2020, pp.1056-1059.
  277. S. Wang, L. Zhu, Y. Li, G. Zhang, J. Yang, J. Wang, and W. Wu, “Radar cross-section reduction of helical antenna by replacing metal with 3-D printed zirconia ceramic,” IEEE Antennas and Wireless Propagation Letters, vol.19, no.2, Feb. 2020, pp.350-354.
  278. S. Wang, L. Zhu, G. Zhang, J. Yang, J. Wang, and W. Wu, “Dual-band dual-CP all-metal antenna with large signal coverage and high isolation over two bands for vehicular communications,” IEEE Transactions on Vehicular Technology, vol.69, no.1, Jan. 2020, pp.1131-1135.
  279. X. Wang, J. Wang, L. Zhu, W.-W. Choi, and W. Wu, “Compact stripline dual-band bandpass filters with controllable frequency ratio and high selectivity based on self-coupled resonator,” IEEE Transactions on Microwave Theory and Techniques, vol. 68, no.1, Jan. 2020, pp. 102-110.
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  281. Y. Han, L. Zhu, Y. Bo, W. Che, and B. Li, “Novel low-RCS circularly-polarized antenna arrays via frequency selective absorber,” IEEE Transactions on Antennas and Propagation, vol.68, no.1, Jan. 2020, pp. 287-296.
  282. N.-W. Liu, L. Zhu, Z.-X. Liu, Z.-Y. Zhang, G. Fu, and Y. Liu, “Cross-polarization reduction of a shorted patch antenna with broadside radiation using a pair of open-ended stubs,” IEEE Transactions on Antennas and Propagation, vol.68, no.1, Jan. 2020, pp. 13-20.
  283. J.-M. Xie, B. Li, Y.-P. Lyu, and L. Zhu, “Dual-band frequency selective surface on aperture-coupled patch resonators with different polarization rotation,” IEEE Antennas and Wireless Propagation Letters, vol.18, no.12, Dec. 2019, pp.2632-2636.
  284. J.-Y. Lin, Y. Yang, S.-W. Wong, R.-S. Chen, Y. Li, L. Zhang, Y. He, and L. Zhu, “Cavity filtering magic-T and its integrations into balanced-to-unbalanced power divider and duplexing power divider,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no.12, Dec. 2019, pp. 4995-5004.
  285. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “A new design of filtering power dividers with arbitrary constant phase difference, impedance transformation, and good Isolation,” IEEE Access, vol.7, no.1, Dec. 2019, pp. 169495-169507.
  286. K.-D. Hong, X. Zhang, L. Zhu, X.-K. Bi, and T. Yuan, “Slot loading effect on impedance and radiation performance of high-gain patch antenna under TM03-mode operation,” International Journal of RF and Microwave Computer-Aided Engineering, vol.29, no.12, Dec. 2019, e21967.
  287. X. Guo, L. Zhu, and W. Wu, “Design of complex weighted feeding network based on generalized coupled-resonator filter theory,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no.11, Nov. 2019, pp. 4376-4385.
  288. Q.-S. Wu, X. Zhang, L. Zhu, and G. Zhang, “Wideband circularly polarized patch antenna with multi-section λ/4 transmission lines,” Electronics Letters, vol.55, no.22, Oct. 2019, pp.1172-1174.
  289. Y.-M. Wu, S.-W. Wong, J.-Y. Lin, Y. Yang, L. Zhang, W.-W. Choi, L. Zhu, and Y. He, “Design of triple-band and triplex slot antenna using triple-mode cavity resonator,” IET Microwaves, Antennas & Propagation, vol.13. no.13, Sep. 2019, pp. 2303-2309.
  290. M.-N. Chen, W.-J. Lu, L.-J. Wang, M. Yang, and L. Zhu, “Design approach to a novel planar bi-sensing circularly polarized antenna,” IEEE Transactions on Antennas and Propagation, vol.67, no.11, Nov. 2019, pp. 6839-6846.
  291. N.-W. Liu, L. Zhu, Z.-X. Liu, and Y. Liu, “Dual-band single-layer microstrip patch antenna with enhanced bandwidth and beamwidth based on reshaped multiresonant modes,” IEEE Transactions on Antennas and Propagation, vol.67, no.11, Nov. 2019, pp. 7127-7132.
  292. N.-W. Liu, X.-P. Chen, L. Zhu, Z.-X. Liu, and G. Fu, “Compact dielectric resonator antenna with bandwidth enhancement via loading of shorting pins,” IET Microwaves, Antennas & Propagation, vol.13. no.12, Aug. 2019, pp. 1969-1973.
  293. Y. Xu, L. Zhu, and N.-W. Liu, “Differentially fed wideband filtering slot antenna with endfire radiation under multi-resonant modes,” IEEE Transactions on Antennas and Propagation, vol.67, no.10, Oct. 2019, pp. 6650-6655.
  294. P. F. Zhang, L. Zhu, and S. Sun, “Second higher-order-mode microstrip leaky-wave antenna with I-shaped slots for single main beam radiation in cross section,” IEEE Transactions on Antennas and Propagation, vol.67, no.10, Oct. 2019, pp. 4842-4847.
  295. J. Wen, D. Xie, and L. Zhu, “Bandwidth-enhanced high-gain microstrip patch antenna under TM30 and TM50 dual-mode resonances,” IEEE Antennas and Wireless Propagation Letters, vol.18, no.10, Oct. 2019, pp.1976-1980.
  296. N.-W. Liu, H.-Y. Wang, L. Zhu, D. Xie, and G. Fu, “A low-profile printed cavity antenna with simultaneous bandwidth and radiation pattern Improvement,” IEEE Antennas and Wireless Propagation Letters, vol.18, no.10, Oct. 2019, pp.2125-2129.
  297. Y. Cheng, C. Mei, and L. Zhu, “Design of dual-mode band-pass filter with novel perturbation elements,” Progress In Electromagnetics Research C, vol. 96, Sep. 2019, pp.59-71.
  298. B.-G. Liu, Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Compact ultra-wideband bandstop filter using capacitive loads,” Electronics Letters, vol.55, no.18, Sep. 2019, pp.1002-1004.
  299. Z.-C. Guo, L. Zhu, and S.-W. Wong, “Synthesis of transversal bandpass filters on stacked rectangular H-plane waveguide cavities,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no.9, Sep. 2019, pp. 3651-3660.
  300. L.-L. Qiu, L. Zhu, and Y.-P. Lyu, “Balanced wideband phase shifters with wide phase shift range and good common-mode suppression,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no.8, Aug. 2019, pp. 3403-3413.
  301. W.-J. Lu, J. Yu, and L. Zhu, “On the multi-resonant antennas: theory, history and new development,” International Journal of RF and Microwave Computer-Aided Engineering, vol.29, no.9, Sep. 2019, e 21808.
  302. N.-W. Liu, X.-P. Chen, L. Zhu, X. Chen, G. Fu, and Y. Liu, “Low-profile triple-band microstrip antenna via sharing a single multi-mode patch resonator,” IET Microwaves, Antennas & Propagation, vol.13. no.10, Jul. 2019, pp.1580-1585.
  303. J. Shi, L. Zhu, N. Liu, and W. Wu, “A novel microstrip Yagi antenna with an improved end-fire radiation pattern under operation of the TM20 mode,” International Journal of RF and Microwave Computer-Aided Engineering, vol.29, no.8, Aug. 2019, e21789.
  304. Z.-C. Guo, L. Zhu, and S.-W. Wong, “Modular implementation of transversal filter using transversal matrices and multi-mode resonators,” IET Microwaves, Antennas & Propagation, vol.13. no.9, Jun. 2019, pp.1475-1483.
  305. Z.-C. Guo, S.-W. Wong, and L. Zhu, “Triple-passband cavity filters with high selectivity under operation of triple modes,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.9, no.7, Jul. 2019, pp.1337-1344.
  306. W.-J. Lu, K. Wang, L. Zhu, and H.-B. Zhu, “Directivity enhancement of planar endfire circularly polarized antenna using V-shaped 1.5-wavelength dipoles,” IEEE Antennas and Wireless Propagation Letters, vol.18, no.7, Jul. 2019, pp.1420-1423.
  307. Z.-X. Liu, L. Zhu, and N.-W. Liu, “Design approach of radiation pattern reshaping for TM12 mode and its application in bandwidth enhancement,” IEEE Transactions on Antennas and Propagation, vol.67, no.7, Jul. 2019, pp. 4842-4847.
  308. Q.-S. Wu, X. Zhang, and L. Zhu, “A feeding technique for wideband CP patch antenna based on 90° phase difference between tapped-line and parallel coupled-line,” IEEE Antennas and Wireless Propagation Letters, vol.18, no.7, Jul. 2019, pp.1468-1471.
  309. C. Shen, W.-J. Lu, and L. Zhu, “Planar self-balanced magnetic dipole antenna with wide beamwidth characteristic,” IEEE Transactions on Antennas and Propagation, vol.67, no.7, Jul. 2019, pp. 4860-4865.
  310. H. Li, B. Li, and L. Zhu, “Wideband linear-to-circular polarizer based on orthogonally inserted slot-line structures,” IEEE Antennas and Wireless Propagation Letters, vol.18, no.6, Jun. 2019, pp.1169-1173.
  311. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “A new design of ultrawide-band single-layer 90° phase shifter in the view of group delay,” IEEE Microwave and Wireless Components Letters, vol.29, no.6, Jun. 2019, pp.376-378.
  312. Q. Liu, L. Zhu, J. Wang, and W. Wu, “Wideband Low-profile differentially-fed patch antennas with an embedded SIW cavity under dual-mode resonance,” IEEE Transactions on Antennas and Propagation, vol.67, no.6, Jun. 2019, pp. 4235-4240.
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  314. Y. Li, D. Xie, and L. Zhu, “Numerical de-embedding of periodic guided-wave structures via SOL/SOC in FEM algorithm,” ACES Journal, vol.34, no.6, Jun. 2019, pp.863-868.
  315. L.-J. Xu, Y. Bo, W.-J. Lu, L. Zhu, and C.-F. Guo, “Circularly polarized annular ring antenna with wide axial-ratio bandwidth for biomedical applications,” IEEE Access, vol.7, May 2019, pp. 59999-60009.
  316. X. Lu, W.-J. Lu, C.-Y. Yuan, and L. Zhu, “Dual circularly polarized loop antenna using a pair of resonant even modes,” International Journal of RF and Microwave Computer-Aided Engineering, vol.29, no.6, Jun. 2019, e21703.
  317. L.-P. Feng and L. Zhu, “Differential-mode low-pass filter using hybrid CPS and G-CPS with intrinsic common-mode rejection,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no.5, May 2019, pp. 1836-1847.
  318. S. Wang, L. Zhu, J. Wang, W. Wang, and W. Wu, “3-D printing and CNC machining technologies for exploration of circularly polarized patch antenna with enhanced gain,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.9, no.5, May 2019, pp.984-990.
  319. X. Zhang, Q.-S. Wu, L. Zhu, G.-L. Huang, and T. Yuan, “Resonator-fed wideband and high-gain patch antenna with enhanced selectivity and reduced cross-polarization,” IEEE Access, vol.7, Apr. 2019, pp. 49918-49927.
  320. J. Shi, L. Zhu, N.-W. Liu, and W. Wu, “A microstrip Yagi antenna with an enlarged beam tilt angle via a slot-loaded patch reflector and pin-loaded patch directors,” IEEE Antennas and Wireless Propagation Letters, vol.18, no.4, Apr. 2019, pp.679-683.
  321. X. Yu, S. Sun, X. Jing, and L. Zhu, “Design of ultraflat phase shifters using multiple quarter-wavelength short-ended stubs,” IEEE Microwave and Wireless Components Letters, vol.29, no.4, Apr. 2019, pp.246-248.
  322. Z.-C. Guo, L. Zhu, and S.-W. Wong, “A quantitative approach for direct synthesis of bandpass filters composed of transversal resonators,” IEEE Transactions on Circuits and Systems II: Express Briefs, vol.66, no.4, Apr. 2019, pp.577-581.
  323. X. Guo, L. Zhu, and W. Wu, “A new concept of partial electric/magnetic walls for application in design of balanced bandpass filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no.4, Apr. 2019, pp. 1308-1315.
  324. Z.-C. Zhang, S.-W. Wong, J.-Y. Lin, H. Liu, L. Zhu, and Y. He, “Design of multi-state diplexers on uniform- and stepped-impedance stub-loaded resonators,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no.4, Apr. 2019, pp. 1452-1460.
  325. L. Liu, M. Chen, J. Cai, X. Yin, and L. Zhu, “Single-beam leaky-wave antenna with lateral continuous scanning functionality based on spoof surface plasmon transmission line,” IEEE Access, vol.7, Mar. 2019, pp.25225-25231.
  326. J.-Y. Lin, S.-W. Wong, Y.-M. Wu, Y. Yang, L. Zhu, and Y. He, “Three-way multiple-mode cavity filtering crossover for narrowband and broadband applications,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no.3, Mar. 2019, pp. 896-905.
  327. S. Wang, L. Zhu, J. Wang, and W. Wu, “Three-dimensional circular patch antenna under TM02 mode with improved impedance matching,” Electronics Letters, vol.55, no.4, Feb. 2019, pp.169-170.
  328. S.-Y. Zhou, S.-W. Wong, J.-Y. Lin, L. Zhu, Y. He, and Z.-H. Tu, “Four-way spoof surface plasmon polaritons splitter/combiner,” IEEE Microwave and Wireless Components Letters, vol.29, no.2, Feb. 2019, pp.98-100.
  329. Z.-X. Liu, L. Zhu, and X. Zhang, “A low-profile and high-gain CP patch antenna with improved AR bandwidth via perturbed ring resonator,” IEEE Antennas and Wireless Propagation Letters, vol.18, no.2, Feb. 2019, pp.397-401.
  330. L.-P. Feng and L. Zhu, “Wideband balun filter on slot-line resonator with intrinsic balanced performance in magnitude and phase,” International Journal of RF and Microwave Computer-Aided Engineering, vol.29, no.3, Mar. 2019, e21605.
  331. Z.-J. Yang, L. Zhu, and S. Xiao, “An implantable wideband circularly polarized microstrip patch antenna via two pairs of degenerate modes,” IEEE Access, vol.7, Jan. 2019, pp. 4239-4247.
  332. L.-P. Feng, L. Zhu, and Q.-S. Wu, “Direct synthesis of compact wideband differential bandpass filter on composite triple-mode resonator,” International Journal of RF and Microwave Computer-Aided Engineering, vol.29, no.2, Feb. 2019, e21521.
  333. N.-W. Liu, L. Zhu, W.-W. Choi, and G. Fu, “A low profile wideband aperture-fed microstrip antenna with improved radiation patterns,” IEEE Transactions on Antennas and Propagation, vol.67, no.1, Jan. 2019, pp. 562-567.
  334. Q. Liu, J. Wang, G. Zhang, L. Zhu, and W. Wu, “A new design approach for balanced bandpass filters on right-angled isosceles triangular patch resonator,” IEEE Microwave and Wireless Components Letters, vol.29, no.1, Jan. 2019, pp.5-7.
  335. L. Yang, L. Zhu, R. Zhang, J. Wang, W.-W. Choi, K.-W. Tam, and R. Gomez-García, “Novel multilayered ultra-broadband bandpass filters on high-impedance slotline resonators,” IEEE Transactions on Microwave Theory and Techniques, vol. 67, no.1, Jan. 2019, pp. 129-139.
  336. L. Liu, X. Gu, L. Zhu, Y. Rong, and H. Qian, “A novel half mode substrate integrated waveguide leaky-wave antenna with continuous forward-to-backward beam scanning functionality,” International Journal of RF and Microwave Computer-Aided Engineering, vol.28, no.9, Nov. 2018, e21559.
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  338. S. Zhou, J.-Y. Lin, S.-W. Wong, F. Deng, L. Zhu, Y. Yang, Y. He, and Z.-H. Tu, “Spoof surface plasmon polaritons power divider with large isolation,” Scientific Reports, vol.8, Apr. 2018, 5947.
  339. C.-Y. Yuan, W.-J. Lu, C. Gao, and L. Zhu, “Balanced circularly polarized square loop antenna under even-mode resonance,” International Journal of RF and Microwave Computer-Aided Engineering, vol.28, no.6, Aug. 2018, e21280.
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  342. J.-Y. Lin, S.-W. Wong, Y.-M. Wu, L. Zhu, Y. Yang, and Y. He, “A new concept and approach for integration of three-state cavity diplexer based on triple-mode resonators,” IEEE Transactions on Microwave Theory and Techniques, vol. 66, no.12, Dec. 2018, pp. 5272-5279.
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  345. Y. Han, L. Zhu, Y. Chang, and Bo Li, “Dual-polarized bandpass and band-notched frequency selective absorbers under multimode resonance,” IEEE Transactions on Antennas and Propagation, vol.66, no.12, Dec. 2018, pp. 7449-7454.
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  348. B. Li, X. Huang, L. Zhu, Y. Zhang, Y. Tang, W.-J. Lu, and Y. Bo, “Bandpass frequency selective structure with improved out-of-band rejection using stacked single-layer slotlines,” IEEE Transactions on Antennas and Propagation, vol.66, no.11, Nov. 2018, pp. 6003-6014.
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  350. Q.-S. Wu, X. Zhang, and L. Zhu, “Co-design of a wideband circularly polarized filtering patch antenna with three minima in axial ratio response,” IEEE Transactions on Antennas and Propagation, vol.66, no.10, Oct. 2018, pp. 5022-5030.
  351. Z.-J. Yang, L. Zhu, and S. Xiao, “An implantable circularly polarized patch antenna design for pacemaker monitoring based on analysis of quality factor,” IEEE Transactions on Antennas and Propagation, vol.66, no.10, Oct. 2018, pp. 5180-5192.
  352. N.-W. Liu, L. Zhu, G. Fu, and Y. Liu, “A low profile shorted-patch antenna with enhanced bandwidth and reduced H-plane cross-polarization,” IEEE Transactions on Antennas and Propagation, vol.66, no.10, Oct. 2018, pp. 5602-5607.
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  355. S.-W. Wong, B.-L. Zheng, J.-Y. Lin, Z.-C. Zhang, Y. Yang, L. Zhu, and Y.-J. He, “Design of three-state diplexer using a planar triple-mode resonator,” IEEE Transactions on Microwave Theory and Techniques, vol. 66, no.9, Sep. 2018, pp. 4040-4046.
  356. D. Xie and L. Zhu, “Effective approach to reduce variation of quasi-E-plane beamwidth of EH1-mode microstrip leaky-wave antennas”, IEEE Antennas and Wireless Propagation Letters, vol.17, no.9, Sep. 2018, pp.1732-1735.
  357. N.-W. Liu, L. Zhu, W.-W. Choi, and X. Zhang, “A low-profile differential-fed patch antenna with bandwidth enhancement and sidelobe reduction under operation of TM10 and TM12 modes,” IEEE Transactions on Antennas and Propagation, vol.66, no.9, Sep. 2018, pp. 4854-4859.
  358. X. Zhang and L. Zhu, “Dual-band high-gain differentially fed circular patch antenna working in TM11 and TM12 Modes,” IEEE Transactions on Antennas and Propagation, vol.66, no.6, Jun. 2018, pp. 3160-3165.
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  360. H.-Q. Yang, M. You, W.-J. Lu, L. Zhu, and H.-B. Zhu, “Envisioning an endfire circularly polarized antenna: presenting a planar antenna with a wide beamwidth and enhanced front-to-back ratio,” IEEE Antennas and Propagation Magazine, vol.60, no.4, Aug. 2018, pp.70-79.
  361. S.-W. Wong, B.-L. Zheng, L. Zhu, and Q. X. Chu, “Broadband duplex-filtenna based on low profile metallic cavity packaging,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.8, no.8, Aug. 2018, pp.1451-1457.
  362. S.-W. Wong, G.-H. Sun, L. Zhu, Z. N. Chen, and Q.-X. Chu, “Integration of wireless coil and bluetooth antenna for high charging and radiation efficiencies,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.8, no.7, Jul. 2018, pp.1292-1299.
  363. Y. Cheng, Y.-D. Li, W.-J. Lu, and L. Zhu, “A wideband dual-mode complementary dipole antenna,” Electromagnetics, vol.38, no.2, 2018, pp.134-143.
  364. N.-W. Liu, L. Zhu, W.-W. Choi, and J.-D. Zhang, “A low-profile differentially fed microstrip patch antenna with broad impedance bandwidth under triple-mode resonance,” IEEE Antennas and Wireless Propagation Letters, vol.17, no.8, Aug. 2018, pp.1478-1482.
  365. Y.-M. Wu, S.-W. Wong, L. Zhu, Y. He, and F. Chen, “A circularly-polarized cavity-backed slot antenna with enhanced radiation gain,” IEEE Antennas and Wireless Propagation Letters, vol.17, no.6, Jun. 2018, pp.1010-1014.
  366. L.-P. Feng and L. Zhu, “Compact wideband filtering balun using stacked composite resonators,” IEEE Access, vol.6, 2018, pp.34651-34658.
  367. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Design and analysis of Schiffman phase shifter under operation of its second phase period,” IEEE Transactions on Microwave Theory and Techniques, vol. 66, no.7, Jul. 2018, pp. 3263-3269.
  368. D. Xie and L. Zhu, “Microstrip Leaky-wave antennas with nonuniform periodical loading of shorting pins for enhanced frequency sensitivity,” IEEE Transactions on Antennas and Propagation, vol.66, no.7, Jul. 2018, pp. 3337-3345.
  369. S.-W. Wong, Z.-C. Guo, J.-Y. Lin, L. Zhu, and Q. Zhang, “Triple-mode and triple-band cavity bandpass filter on triplet topology with controllable transmission zeros,” IEEE Access, vol.6, 2018, pp.29452-29459.
  370. X. Guo, L. Zhu, and W. Wu, “Design method for multiband filters with compact configuration in substrate-integrated waveguide,” IEEE Transactions on Microwave Theory and Techniques, vol. 66, no.6, Jun. 2018, pp. 3011-3018.
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  372. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Proposal and synthesis design of wideband filtering differential phase shifters with a pair of out-of-band transmission zeroes,” IEEE Transactions on Microwave Theory and Techniques, vol. 66, no.6, Jun. 2018, pp. 2828-2841.
  373. X. Zhang, L. Zhu, N.-W. Liu, and D.-P. Xie, “Pin-loaded circularly-polarised patch antenna with sharpened gain roll-off rate and widened 3-dB axial ratio beamwidth,” IET Microwaves, Antennas & Propagation, vol.12, no.8, Jul. 2018, pp. 1247-1254.
  374. J.-Y. Lin, S.-W. Wong, L. Zhu, Y. Yang, X. Zhu, and Y.-J. He, “A dual-functional triple-mode cavity resonator with the integration of filters and antennas,” IEEE Transactions on Antennas and Propagation, vol.66, no.5, May 2018, pp. 2589-2593.
  375. S. Wang, L. Zhu, and W. Wu, “3-D printed inhomogeneous substrate and superstrate for application in dual-band and dual-CP stacked patch antenna,” IEEE Transactions on Antennas and Propagation, vol.66, no.5, May 2018, pp. 2236-2244.
  376. B.-L. Zheng, S.-W. Wong, S.-F. Feng, L. Zhu, and Y. Yang, “Multi-mode bandpass cavity filters and duplexer with slot mixed-coupling structure,” IEEE Access, vol.6, 2018, pp. 16353-16362.
  377. Y. Zhang, B. Li, L. Zhu, Y. Tang, Y. Chang, and Y. Bo, “Frequency selective rasorber with low insertion loss and dual-band absorptions using planar slotline structures,” IEEE Antennas and Wireless Propagation Letters, vol.17, no.4, Apr. 2018, pp.633-636.
  378. S. Wang, X. Zhang, L. Zhu, and W. Wu, “Single-fed wide-beamwidth circularly polarized patch antenna using dual-function 3-D printed substrate,” IEEE Antennas and Wireless Propagation Letters, vol.17, no.4, Apr. 2018, pp.649-653.
  379. X. Zhang, L. Zhu, and Q.-S. Wu, “Side-lobe-reduced and gain-enhanced square patch antennas with adjustable beamwidth under TM03 mode operation,” IEEE Transactions on Antennas and Propagation, vol.66, no.4, Apr. 2018, pp. 1704-1713.
  380. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Synthesis design of filtering wideband differential phase shifters on multimode resonators with controllable same insertion loss bandwidth,” IET Microwaves, Antennas & Propagation, vol.12, no.3, Mar. 2018, pp. 367-374.
  381. Y. Li and L. Zhu, “A short-open calibration method for accurate de-embedding of 3-D non-planar microstrip line structures in finite element method,” IEEE Transactions on Microwave Theory and Techniques, vol. 66, no.3, Mar. 2018, pp. 1172-1180.
  382. D. Xie, L. Zhu, X. Zhang, and N.-W. Liu, “Gain-enhanced EH1-mode microstrip leaky wave antenna with periodical loading of shorting pins,” IET Microwaves, Antennas & Propagation, vol.12, no.2, Feb. 2018, pp. 230-236.
  383. H. Xu, J. Wang, L. Zhu, F. Huang, and W. Wu, “Design of a dual-mode balun bandpass filter with high selectivity,” IEEE Microwave and Wireless Components Letters, vol.28, no.1, Jan. 2018, pp.22-24.
  384. Q. Wu, L. Zhu, and X. Zhang, “Filtering patch antenna on λ/4-resonator filtering topology: synthesis design and implementation,” IET Microwaves, Antennas & Propagation, vol.11, no.15, Dec. 2017, pp 2241-2246.
  385. X. Guo, L. Zhu, and W. Wu, “Balanced diplexers based on inner-coupled dual-mode structures with intrinsic common-mode suppression,” IEEE Access, vol.5, 2017, pp. 26774-26782.
  386. Z.-C. Guo, S.-W. Wong, J.-Y. Lin, L. Zhu, and Q.-X. Chu, “Triple-mode cavity bandpass filter under excitation via U-shaped slots,” Electronics Letters, vol.53, no.24, Nov. 2017, pp.1580-1582.
  387. S. Wang, L. Zhu, and W. Wu, “A novel frequency-reconfigurable patch antenna using low-loss transformer oil,” IEEE Transactions on Antennas and Propagation, vol.65, no.12, Dec. 2017, pp. 7316-7321.
  388. N.-W. Liu, L. Zhu, X. Zhang, and W.-W. Choi, “A wideband differential-fed dual-polarized microstrip antenna under radiation of dual improved odd-order resonant modes,” IEEE Access, vol.5, 2017, pp. 23672-23680.
  389. F. Huang, J. Wang, L. Zhu, Q. Chen, and W. Wu, “Dual-band microstrip balun with flexible frequency ratio and high selectivity,” IEEE Microwave and Wireless Components Letters, vol.27, no.11, Nov. 2017, pp.962-964.
  390. X. Zhang and L. Zhu, “Gain-enhanced patch antenna without enlarged size via loading of slot and shorting pins,” IEEE Transactions on Antennas and Propagation, vol.65, no.11, Nov. 2017, pp. 5702-5709.
  391. X. Guan, P. Gui, T. Xiong, B. Ren, and L. Zhu, “Hybrid microstrip/slotline ultra-wideband bandpass filter with a controllable notch-band,” International Journal of Antennas and Propagation, vol. 2017, 2017, Article ID 2398610, 7 pages.
  392. Z.-J. Yang, S.-Q. Xiao, L. Zhu, B.-Z. Wang, and H.-L. Tu, “A circularly polarized implantable antenna for 2.4 GHz ISM band biomedical applications,” IEEE Antennas and Wireless Propagation Letters, vol.16, 2017, pp. 2554-2557
  393. W.-J. Lu, Q. Li, S.-G. Wang, and L. Zhu, “Design approach to a novel dual-mode wideband circular sector patch antenna,” IEEE Transactions on Antennas and Propagation, vol.65, no.10, Oct. 2017, pp. 4980-4990.
  394. N.-W. Liu, L. Zhu, and W.-W. Choi, “A low-profile wide-bandwidth planar inverted-F antenna under dual resonances: principle and design approach,” IEEE Transactions on Antennas and Propagation, vol.65, no.10, Oct. 2017, pp. 5019-5025.
  395. J.-Y. Lin, S.-W. Wong, L. Zhu, and Q.-X. Chu, “Design of miniaturized triplexers via sharing a single triple-mode cavity resonator,” IEEE Transactions on Microwave Theory and Techniques, vol. 65, no.10, Oct. 2017, pp. 3877-3884.
  396. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Single-layer broadband phase shifter using multimode resonator and shunt λ/4 stubs,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.7, no.7, Jul. 2017, pp.1119-1125.
  397. L.-P. Feng and L. Zhu, “Wideband filtering balun on a novel hybrid multi-mode resonator with the functionality of vertical transition,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.7, no.8, Aug. 8, 2017, pp.1324-1330.
  398. S.-W. Wong, B.-L. Zheng, L. Zhu, and Q.-X. Chu, “Quintuple-mode wideband filter based on a single metal cavity,” Electronics Letters, vol.53, no.15, Jul. 2017, pp.1049-1050.
  399. S.-W. Wong, F. Deng, J.-Y. Lin, Y.-M. Wu, L. Zhu, and Q.-X. Chu, “An independently four-channel cavity diplexer with 1.1-2.8 GHz tunable range,” IEEE Microwave and Wireless Components Letters, vol.27, no.8, Aug. 2017, pp.709-711.
  400. D. Xie, J. Wen, L. Zhu, X. Liu, H. Guo, H. Bu, X. M. Yang, and C. Liu, “Uniform periodic leaky-wave antennas with eliminated open stopbands,” IEEE Antennas and Wireless Propagation Letters, vol.16, 2017, pp. 2110-2113.
  401. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Proposal and synthesis design of differential phase shifters with filtering function,” IEEE Transactions on Microwave Theory and Techniques, vol. 65, no.8, Aug. 2017, pp. 2906-2917.
  402. L. Yang, L. Zhu, W.-W. Choi, and K.-W. Tam, “Analysis and design of wideband microstrip-to-microstrip equal ripple vertical transitions and their application to bandpass filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 65, no.8, Aug. 2017, pp. 2866-2877.
  403. R. Zhang, S. Luo, L. Zhu, and L. Yang, “Synthesis and design of miniaturized wideband bandpass filters with scaled transmission line for spurious-response suppression,” IEEE Transactions on Microwave Theory and Techniques, vol. 65, no.8, Aug. 2017, pp. 2878-2885.
  404. D. Xie, L. Zhu, and X. Zhang, “An EH0-mode microstrip leaky-wave antenna with periodical loading of short pins,” IEEE Transactions on Antennas and Propagation, vol.65, no.7, Jul. 2017, pp. 3419-3426.
  405. G. Zhang, J. Wang, L. Zhu, and W. Wu, “Dual-mode filtering power divider with high passband selectivity and wide upper stopband,” IEEE Microwave and Wireless Components Letters. vol.27, no.7, Jul. 2017, pp.642-644.
  406. S.-W. Wong, F. Deng, Y.-M. Wu, J.-Y. Lin, L. Zhu, Q.-X. Chu, and Y. Yang, “Individually frequency tunable dual- and triple-band filters in a single cavity,” IEEE Access, vol.5, 2017, pp. 11615-11625.
  407. Z.-C. Guo, S.-W. Wong, J.-Y. Lin, L. Zhu, Q.-X. Chu, Q. Zhang, and Y. Yang, “Triple-mode cavity bandpass filter on doublet with controllable transmission zeros,” IEEE Access, vol.5, 2017, pp. 6969-6977.
  408. Q. Li, W.-J. Lu, S.-G. Wang, and L. Zhu, “Planar quasi-isotropic magnetic dipole antenna using fractional-order circular sector cavity resonant mode,” IEEE Access, vol.5, 2017, pp. 8515-8525
  409. S.-G. Wang, W.-J. Lu, C.-R. Guo, and L. Zhu, “Wideband slotline antenna with a frequency-spatial steerable notch-band in radiation gain,” Electronics Letters, vol.53, no.10, May 2017, pp.650-652.
  410. D. Chen, L. Zhu, H. Bu, and C. Cheng, “A wideband balun filter on a triple-mode slotline resonator with controllable bandwidth,” IEEE Microwave and Wireless Components Letters, vol.27, no.6, Jun. 2017, pp.569-571.
  411. N.-W. Liu, L. Zhu, W.-W. Choi, and X. Zhang, “Wideband shorted patch antenna under radiation of dual-resonant modes,” IEEE Transactions on Antennas and Propagation, vol.65, no.6, Jun. 2017, pp. 2789-2796.
  412. C.-R. Guo, W.-J. Lu, Z.-S. Zhang, and L. Zhu, “Wideband non-traveling-wave triple-mode slotline antenna,” IET Microwaves, Antennas & Propagation, vol.11, no.6, Jun. 2017, pp.886-891.
  413. R. Zhang, S. Luo, L. Zhu, and L. Yang, “Synthesis and design of harmonic suppressed wideband bandpass filters with mixed modified Richard’s transformations (MRTs),” IEEE Microwave and Wireless Components Letters, vol.27, no.5, May 2017, pp.455-457.
  414. N.-W. Liu, L. Zhu, and W.-W. Choi, “A differential-fed microstrip patch antenna with bandwidth enhancement under operation of TM10 and TM30 modes,” IEEE Transactions on Antennas and Propagation, vol.65, no.4, Apr. 2017, pp.1607-1614.
  415. L. Yang, L. Zhu, W.-W. Choi, K.-W. Tam, R. Zhang, and J. Wang, “Wideband microstrip-to-microstrip vertical transition with high filtering selectivity using open-circuited slotline SIR,” IEEE Microwave and Wireless Components Letters, vol.27, no.4, Apr. 2017, pp.329-311.
  416. R. Zhang, S. Luo, and L. Zhu, “A new synthesis and design method for wideband bandpass filters with generalized unit elements (GUEs),” IEEE Transactions on Microwave Theory and Techniques, vol. 65, no.3, Mar. 2017, pp.815-823.
  417. X. Guo, L. Zhu, and W. Wu, “Optimized design of differential moderate-band BPF on coupled slotline resonators,” IEEE Microwave and Wireless Components Letters, vol.27, no.3, Mar. 2017, pp.263-265.
  418. N.-W. Liu, L. Zhu, W.-W. Choi, and X. Zhang, “A low-profile aperture-coupled microstrip antenna with enhanced bandwidth under dual-resonance,” IEEE Transactions on Antennas and Propagation, vol.65, no.3, Mar. 2017, pp. 1055-1062.
  419. D. Chen, L. Zhu, H. Bu, and C. Cheng, “Differential-mode bandpass filter on microstrip line with wideband common-mode suppression,” Electronics Letters, vol. 53, no. 3, Feb. 2017, pp.163-165.
  420. J.-D. Zhang, L. Zhu, N.-W. Liu, and W. Wu, “Dual-band and dual-circularly-polarized single-layer microstrip array based on multiresonant modes,” IEEE Transactions on Antennas and Propagation, vol.65, no.3, Mar. 2017, pp. 1428-1433.
  421. X. Zhang, L. Zhu, and N.-W. Liu, “Pin-loaded circularly-polarized patch antennas with wide 3-dB axial ratio beamwidth,” IEEE Transactions on Antennas and Propagation, vol.65, no.2, Feb. 2017, pp. 521-528.
  422. L.-P. Feng and L. Zhu, “Strip-loaded slotline resonator for compact differential-mode bandpass filters with improved upper stopband performance,” IEEE Microwave and Wireless Components Letters, vol.27, no.2, Feb. 2017, pp.108-110.
  423. S.-F. Feng, S.-W. Wong, L. Zhu, and Q.-X. Chu, “A triple-mode wideband bandpass filter using single rectangular waveguide cavity,” IEEE Microwave and Wireless Components Letters, vol.27, no.2, Feb. 2017, pp.117-119.
  424. L. Yang, W.-W. Choi, K.-W. Tam, and L. Zhu, “Novel wideband bandpass filter with dual notched bands using stub-loaded resonators,” IEEE Microwave and Wireless Components Letters, vol.27, no.1, Jan. 2017, pp.25-27.
  425. J.-D. Zhang, L. Zhu, N.-W. Liu, and W. Wu, “CP patch antenna with controllable polarisation over dual-frequency bands,” IET Microwaves, Antennas & Propagation, vol.11, no.2, Feb. 2017, pp.224-231.
  426. J. Wang, Q. Liu, and L. Zhu, “Bandwidth enhancement of a differential-fed equilateral triangular patch antenna via loading of shorting posts,” IEEE Transactions on Antennas and Propagation, vol.65, no.1, Jan. 2017, pp. 36-43.
  427. Y. Chen, W.-J. Lu, L. Zhu and H.-B. Zhu, “Square loop antenna under even-mode operation: modelling, validation and implementation,” International Journal of Electronics, vol.104, no.2, 2017, pp.271-285.
  428. D. Xie, X.Liu, H. Guo, X. Yang, C. Liu, and L. Zhu, “Wideband absorber with multi-resonant gridded-square FSS for antenna RCS reduction,” IEEE Antennas and Wireless Propagation Letters, vol.16, 2017, pp.629-632.
  429. Q.-S. Wu and L. Zhu, “Wideband impedance transformers on parallel- Coupled and Multisection Microstrip Lines: Synthesis Design and Implementation,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.12, Dec. 2016, pp.1873-1880.
  430. S.-W. Wong, R.-S. Chen, L. Zhu, and Q.-X. Chu, “Substrate integrated waveguide quasi-elliptic filter using slot coupling and microstrip-line cross-coupled structure”, IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.12, Dec. 2016, pp.1881-1888.
  431. F. Huang, J. Wang, L. Zhu, and W. Wu, “Compact microstrip balun diplexer using stub-loaded dual-mode resonators,” Electronics Letters, vol.52, no.24, Nov. 2016, pp.1994-1996.
  432. J.-D. Zhang, L. Zhu, Q.-S. Wu, N.-W. Liu, and W. Wu, “A compact microstrip-fed patch antenna with enhanced bandwidth and harmonic suppression,” IEEE Transactions on Antennas and Propagation, vol.64, no.12, Dec. 2016, pp. 5030-5037.
  433. Y.-P. Lyu, L. Zhu, Q.-S. Wu and C.-H. Cheng, “Proposal and synthesis design of wideband phase shifters on multimode resonator,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.12, Dec. 2016, pp.4211-4221.
  434. N.-W. Liu, L. Zhu, W.-W. Choi, and J.-D. Zhang, “A novel differential-fed patch antenna on stepped-impedance resonator with enhanced bandwidth under dual-resonance,” IEEE Transactions on Antennas and Propagation, vol.64, no.11, Nov. 2016, pp. 4618-4625.
  435. Y. Ding, J. Wang, L. Zhu, and W. Wu, “Filtering power divider with good isolation and harmonic suppression,” IEEE Microwave and Wireless Components Letters, vol.26, no.12, Dec. 2016, pp.984-986.
  436. S.-W. Wong, S.-F. Feng, L. Zhu, and Q.-X. Chu, “A quintuple-mode wideband bandpass filter on single metallic cavity with perturbation cylinders,” IEEE Microwave and Wireless Components Letters, vol.26, no.12, Dec. 2016, pp.975-977.
  437. B. Xue, M. You, W.-J. Lu, and L. Zhu, “Planar endfire circularly polarized antenna using concentric annular sector complementary dipoles,” International Journal of RF and Microwave Computer-Aided Engineering, vol.26, no. 9, Nov. 2016, pp.829-838.
  438. F. Song, B. Wei, L. Zhu, Y. Feng, R. Wang, and B. Cao, “A novel tri-band superconducting filter using embedded stub-loaded resonators,” IEEE Transactions on Applied Superconductivity, vol.26, no.8, Dec. 2016, (1502009), pp.1-9.
  439. M. You, W.-J. Lu, B. Xue, L. Zhu and H.-B. Zhu, “A novel planar endfire circularly polarized antenna with wide axial-ratio beamwidth and wide impedance bandwidth,” IEEE Transactions on Antennas and Propagation, vol.64, no.10, Oct. 2016, pp. 4554-4559.
  440. Q. Wu and L. Zhu, “Synthesis design of a wideband impedance transformer consisting of two-section coupled lines,” IET Microwaves, Antennas & Propagation, vol. 11, no. 1, Jan. 2017, pp. 144-150.
  441. G. Zhang, J. Wang, L. Zhu, and W. Wu, “Dual-band filtering power divider with high selectivity and good isolation,” IEEE Microwave and Wireless Components Letters, vol.26, no.10, Oct. 2016, pp.774-776.
  442. S.-W. Wong, G.-H. Sun, L. Zhu, and Q.-X. Chu, “Broadband dual-polarization and stable-beamwidth slot antenna fed by U-shape microstrip line,” IEEE Transactions on Antennas and Propagation, vol.64, no.10, Oct. 2016, pp.4477-4481.
  443. X. Guo, L. Zhu and W. Wu, “A dual-wideband differential filter on strip-loaded slotline resonators with enhanced coupling scheme,” IEEE Microwave and Wireless Components Letters, vol.26, no.11, Nov. 2016, pp.882-884.
  444. R. Zhang, S. Luo and L. Zhu, “Synthesis and Design of Asymmetrical Dual-Band Bandpass Filters With Modified Richard’s Transformation,” IET Microwaves, Antennas & Propagation, vol.10, no.12, Sep. 2016, pp.1352-1362.
  445. J. Wang, F. Huang, L. Zhu, C. Cai, and W. Wu, “Study of a new planar-type balun topology for application in design of balun bandpass filters,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.9, Sep. 2016, pp.2824-2832.
  446. Z. Liu, G. Xiao and L. Zhu, “Numerical de-embedding and experimental validation of propagation properties of corrugated substrate integrated waveguide,” Microwave and Optical Technology Letters, vol.58, no.10, Oct. 2016, pp.2456-2460.
  447. Z. Liu, L. Zhu and G. Xiao, “A novel microwave attenuator on multilayered substrate integrated waveguide,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.7, Jul. 2016, pp.1108-1114.
  448. Z. Liu, G. Xiao and L. Zhu, “Triple-mode bandpass filters on CSRR-loaded substrate integrated waveguide cavities,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.7, Jul. 2016, pp.1101-1107.
  449. F. Song, L. Zhu, B. Wei, B. Cao, L. Jiang and B. Li, “Quad-band superconducting bandpass filter using quad-mode stub-loaded resonators with controllable frequencies and bandwidths,” IEEE Transactions on Applied Superconductivity, vol.26, no.6, Sep. 2016, (1501610), pp.1-10.
  450. X. Zhang and L. Zhu, “Gain-enhanced patch antennas with loading of shorting pins,” IEEE Transactions on Antennas and Propagation, vol.64, no.8, Aug. 2016, pp. 3310-3318.
  451. X. Guo, L. Zhu, W. Wu, “Balanced wide-/dual-band BPFs on a hybrid multimode resonator with intrinsic common-mode rejection,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.7, Jul. 2016, pp.1997-2005.
  452. J. Zhang, W.-J. Lu, L. Li, L. Zhu, and H.-B. Zhu, “Wideband dual-mode planar endfire antenna with circular polarisation,” Electronics Letters, vol.52, no.12, Jun. 2016, pp.1000-1001.
  453. Q.-S. Wu and L. Zhu, “Short-ended coupled-line impedance transformers with ultra-high transforming ratio and bandpass selectivity suitable for large load impedances,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.5, May 2016, pp.767-774.
  454. X. Zhang and L. Zhu, “High-gain circularly polarized microstrip patch antenna with loading of shorting pins,” IEEE Transactions on Antennas and Propagation, vol.64, no.6, Jun. 2016, pp. 2172-2178.
  455. N.-W. Liu, L. Zhu and W.-W. Choi, “A low-profile wide-beamwidth circularly-polarized patch antenna on a suspended substrate,” IET Microwaves, Antennas & Propagation, vol.10, no.8, 2016, pp.885-890.
  456. S.-W. Wong, S.-F. Feng, Z.-C. Zhang, B.-L. Zheng, L. Zhu and Q.-X. Chu, “A compact triple-mode bandpass filter using dielectric resonator in cylindrical cavity”, Microwave and Optical Technology Letter, vol.58, no.7, Jul. 2016, pp.1645-1647.
  457. R. Zhang, S. Luo and L. Zhu, “Synthesis and design of mixed lumped and distributed lowpass filters/ lowpassing impedance-transformers with Taylor series,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.4, Apr. 2016, pp.1265-1272.
  458. Q.-S. Wu and L. Zhu, “Wideband impedance transformers with good frequency selectivity based on multisection quarter-wave lines and short-circuited stubs,” IEEE Microwave and Wireless Components Letters, vol.26, no.5, May 2016, pp.337-339.
  459. N.-W. Liu, L. Zhu and W.-W. Choi, “A printed wide-beamwidth CP antenna via two pairs of radiating slots placed in a square contour,” International Journal of Microwave and Wireless Technologies, 2016, (S1759078716000246), pp.1-8.
  460. X. Zhang and L. Zhu, “Patch antennas with loading of a pair of shorting pins toward flexible impedance matching and low cross-polarization,” IEEE Transactions on Antennas and Propagation, vol.64, no.4, Apr. 2016, pp.1226-1233.
  461. F. Huang, J. Wang and L. Zhu, “A new approach to design a microstrip dual-mode balun bandpass filter,” IEEE Microwave and Wireless Components Letters, vol.26, no.4, Apr. 2016, pp.252-254.
  462. K. Wu, S. Sun, L. Li, L. Hang, L. Zhu, and C. K. M. Tse, “The Match Game: numerical de-embedding of field simulation and parameter extraction of circuit models for electromagnetic structure using calibration techniques,” IEEE Microwave Magazine, vol.17, no.4, Apr. 2016, pp.77-92.
  463. X. Liu, L. Zhu and Y. Feng, “Spoof surface plasmon-based bandpass filter with extremely wide upper stopband,” Chinese Physics B, vol.25, no.3, 2016, pp. 034101-1 to 034101-4.
  464. Z.-C. Zhang, Q.-X. Chu, S.-W. Wong, S.-F. Feng, L. Zhu, Q.-T. Huang and F.-C. Chen, “Triple-mode dielectric-loaded cylindrical cavity diplexer using novel packaging technique for LTE base-station applications,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.3, Mar. 2016, pp.383-389.
  465. G.-H. Sun, S.-W. Wong, L. Zhu and Q.-X. Chu, “A compact printed filtering antenna with good suppression of upper harmonic band,” IEEE Antennas and Wireless Propagation Letters, vol.15, 2016, pp.1349-1352.
  466. C. Cai, J. Wang, L. Zhu and W. Wu, “A new approach to design microstrip wideband balun bandpass filter,” IEEE Microwave and Wireless Components Letters, vol.26, no.2, Feb. 2016, pp.116-118.
  467. X. Guo, L. Zhu and W. Wu, “Strip-loaded slotline resonators for differential wideband bandpass filters with intrinsic common-mode rejection,” IEEE Transactions on Microwave Theory and Techniques, vol.64, no.2, Feb. 2016, pp. 450-458.
  468. L. Yang, L. Zhu, W.-W. Choi and K.-W. Tam, “Vertical microstip-to-microstrip transition through the highpass-filter topology for ultra-wideband (UWB) applications,” HKIE Transactions, vol.23, no.1, pp.19-25, 2016.
  469. K. Wang, S. W. Wong, L. Zhu, Q. Zhang and Q.-X. Chu, “A novel SIW dual-band bandpass filter on a double-layer substrate using loaded posts,” Microwave and Optical Technology Letters, vol.58, no. 1, Jan. 2016, pp.155-158
  470. Q.-S. Wu and L. Zhu, “Numerical de-embedding of effective wave impedances of substrate integrated waveguide with varied via-to-via spacings,” IEEE Microwave and Wireless Components Letters, vol.26, no.1, Jan. 2016, pp.1-3.
  471. K. Wang, S. W. Wong, G.-H. Sun, Z.-N. Chen, L. Zhu and Q.-X. Chu, “Synthesis method for substrate integrated waveguide (SIW) bandpass filter with even-order Chebyshev response,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.1, Jan. 2016, pp.126-135.
  472. Z. Liu, L. Zhu, G. B. Xiao and Q. S. Wu, “An effective approach to de-embed the complex propagation constant for substrate integrated waveguide and Its application,” IEEE Transactions on Components, Packaging and Manufacturing Technology, vol.6, no.1, Jan. 2016, pp.109-116.
  473. S.-W. Wong, Q.-K. Huang, G.-H. Sun, L. Zhu and Q.-X. Chu, “Multiple-mode wideband dual-polarized antenna for long term evolution (LTE) application,” IEEE Antennas and Wireless Propagation Letters, vol.15, 2016, pp.203-206.
  474. Y.-F. Zheng, S.-W. Wong, K. Wang, Q.-K. Huang, L. Zhu, and Q.-X. Chu, “Wideband dipole antenna using the multiple-mode resonator for long-term evolution application,” Electronics Letters, vol.51, no.25, Dec. 2015, pp. 2074-2076.
  475. S.-W. Wong, Z.-C. Zhang, S.-F. Feng, F. Chen, L. Zhu and Q.-X. Chu, “Triple-mode dielectric resonator diplexer for base station applications,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.12, Dec. 2015, pp. 3947-3953.
  476. W.-J. Lu, L. Zhu, K. W. Tam and H.-B. Zhu, “Wideband dipole antenna using multi-mode resonance concept,” International Journal of Microwave and Wireless Technologies, 2015, (S175907871500149X), pp.1-7.
  477. D. Chen, L. Zhu, H. Bu and C. Cheng, “A novel planar diplexer using slotline-loaded microstrip ring resonator,” IEEE Microwave and Wireless Components Letters, vol.25, no.11, Nov. 2015, pp706-708.
  478. S. Zhang, L. Zhu and R. Weerasekera, “Synthesis of inline mixed coupled quasi-elliptic bandpass filters based on λ/4 resonators,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.10, Oct. 2015, pp.3487-3493.
  479. S. W. Wong, S. F. Feng, L. Zhu and Q. X. Chu, “Triple- and quadruple-mode wideband band-pass filter using simple perturbation in single metal cavity,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.10, Oct. 2015, pp.3416-3424..
  480. D. Chen, L. Zhu, H. Bu and C. Cheng, “Differential bandpass filter on dual-mode ring resonator with slotline feeding scheme,” Electronics Letters, vol. 51, no. 19, Sep. 2015, pp. 1512-1514.
  481. X. Liu, L. Zhu, Q. Wu and Y. Feng, “Highly-confined and low-loss spoof surface plasmon polaritons structure with periodic loading of trapezoidal grooves,” AIP Advances, vol.5, 077123-1 to 077123-7, 2015.
  482. Y. Luo, Q.-X. Chu and L. Zhu, “A miniaturized wide-beamwidth circularly polarized planar antenna via two pairs of folded dipoles in a square contour,” IEEE Transactions on Antennas and Propagation, vol.63, no.8, Aug. 2015, pp.3757-3759.
  483. L. Yang, L. Zhu, W.-W. Choi and K.-W. Tam, “Wideband vertical microstrip-to-microstrip transition with three-pole filtering response,” Microwave and Optical Technology Letters, vol.57, no.9, Sep. 2015, pp.2213-2216.
  484. L. Yang, W.-W. Choi, K.-W. Tam and L. Zhu, “Balanced dual-band bandpass filter with multiple transmission zeros using doubly short-ended resonator coupled-line,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.7, Jul., 2015, pp.2225-2232.
  485. F. Song, B. Wei, L. Zhu, B. Cao and X. Li, “Dual-band high-temperature superconducting bandpass filter using quint-mode stub-loaded resonators,” IEEE Transactions on Applied Superconductivity, vol.25, no.4, Aug. 2015, (1501410), pp. 1-10.
  486. X. Guo, L. Zhu, J. Wang and W. Wu, “Wideband microstrip-to-microstrip vertical transitions via multi-resonant modes in a slotline resonator,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.6, Jun., 2015, pp.1902-1907.
  487. X. S. Jing, S. Sun and L. Zhu, “Design of microwave patch hybrid couplers with arbitrary power ratio and impedance transformation,” IEICE Transactions on Electronics, vol.E98-C, no.7, Jul. 2015, pp.644-650.
  488. X. Guo, L. Zhu, K.-W. Tam and W. Wu, “Wideband differential bandpass filters on multimode slotline resonator with intrinsic common-mode rejection,” IEEE Transactions on Microwave Theory and Techniques, vol.63, no.5, May 2015, pp.1587-1594.
  489. K. Wang, L. Zhu, S.-W. Wong, D. Chen and Z.-C. Guo, “Balanced dual-Band BPF with intrinsic common-mode suppression on a double-layer substrate,” Electronics Letters, vol.51, no.9, Apr. 2015, pp.705-707.
  490. W.-J. Lu and L. Zhu, “Planar dual-mode wideband antenna using short-circuited-strips loaded slotline radiator: operation principle, design and validation,” International Journal of RF and Microwave Computer-Aided Engineering, vol.25, no.7, Sep. 2015, pp. 573-581.
  491. Y. Luo, Q.-X. Chu and L. Zhu, “A low-profile wide-beamwidth circularly-polarized antenna via two pairs of parallel dipoles in a square contour,” IEEE Transactions on Antennas and Propagation, vol.63, no.3, Mar. 2015, pp.931-936.
  492. W.-J. Lu and L. Zhu, “A novel wideband slotline antenna with dual resonances: principle and design approach,” IEEE Antennas and Wireless Propagation Letters, vol.14, 2015, pp.795-798.
  493. W.-J. Lu and L. Zhu, “Wideband stub-loaded slotline antennas under multi-mode resonance operation,” IEEE Transactions on Antennas and Propagation, vol.63, no.2, Feb. 2015, pp.818-823.
  494. J. Xu, W.-J. Lu, X.-T. Wu, Y.-M. Bo, L. Zhu and H.-B. Zhu, “A novel offset-fed dual-band aperture-dipole composite antenna: operating principle and design approach,” International Journal of RF and Microwave Computer-Aided Engineering, vol.25, no.5, Jun. 2015, pp. 382-393.
  495. D. Chen, H. Bu, L. Zhu and C. Cheng, “A differential-mode wideband bandpass filter on slotline multi-mode resonator with controllable bandwidth,” IEEE Microwave and Wireless Components Letters, vol.25, no.1, Jan. 2015, pp.28-30.
  496. R. S. Chen, S. W. Wong, L. Zhu and Q.-X. Chu, “Wideband bandpass filter using U-slotted substrate integrated waveguide (SIW) cavities,” IEEE Microwave and Wireless Components Letters, vol.25, no.1, Jan. 2015, pp.1-3.
  497. R. Zhang, S. Luo and L. Zhu, “Asymmetrical-response dual-band Bandpass filters on λ/8 transmission lines with modified Richard’s transformation,” IEEE Microwave and Wireless Components Letters, vol.24, no.10, Oct. 2014, pp.680-682.
  498. X. Huang, Q. Feng, L. Zhu, Q. Xiang and D. Jia, “Synthesis and design of tunable bandpass filters with constant absolute bandwidth using varactor-loaded microstrip resonator,” International Journal of RF and Microwave Computer-Aided Engineering, vol.24, no.6, Nov. 2014, pp.681-689.
  499. X. Guan, F. Yang, H. Liu and L. Zhu, “Compact and high-isolation diplexer using dual-mode stub-loaded resonators,” IEEE Microwave and Wireless Components Letters, vol.24, no.6, Jun. 2014, pp.385-387.
  500. R. Zhang and L. Zhu, “Synthesis of dual-wideband bandpass filters with source-load coupling network,” IEEE Transactions on Microwave Theory and Technique, vol.62, no.3, March 2014, pp.441-449.
  501. R. Zhang and L. Zhu, “Synthesis and design of dual-wideband bandpass filters with internally-coupled microstrip lines,” IET Microwaves, Antennas & Propagation, vol.8, no.8, Jun. 2014, pp.556-563.
  502. R. Zhang and L. Zhu, “Design of a compact dual-band bandpass filter using coupled stepped-impedance resonators,” IEEE Microwave and Wireless Components Letters, vol.24, no.3, Mar. 2014, pp.155-157.
  503. R. Zhang and L. Zhu, “Design of a wideband bandpass filter with composite short- and open-circuited stubs,” IEEE Microwave and Wireless Components Letters, vol.24, no.2, Feb. 2014, pp.96-98.
  504. S. Zhang and L. Zhu, “Fully canonical dual-band bandpass filter with λ/4 stepped impedance resonators” Electronics Letters, vol.50, no.3, Jan. 2014, pp. 192-194.
  505. D. Chen, L. Zhu and C. Cheng, “A novel dual-band bandpass filter with closely spaced passbands,” IEEE Microwave and Wireless Components Letters, vol.24, no.1, Jan. 2014, pp.38-40.
  506. X. Xu, J. Wang and L. Zhu, “A new approach to design differential-mode bandpass filters on SIW structure,” IEEE Microwave and Wireless Components Letters, vol.23, no.12, Dec. 2013, pp.635-637.
  507. D. Chen, L. Zhu and C. Cheng, “Dual-resonant-mode (DRM) impedance transformer and its application to wideband 3-dB power divider,” IEEE Microwave and Wireless Components Letters, vol.23, no.9, Sep., 2013, pp.471-473.
  508. X. Huang, L. Zhu, Q. Feng, Q. Xiang and D. Jia, “Tunable bandpass filter with independently controllable dual passbands,” IEEE Transactions on Microwave Theory and Techniques, vol.61, no.9, Sep. 2013, pp.3200-3208.
  509. S. Zhang and L. Zhu, “Compact split-type dual-band bandpass filter based on λ/4 resonators,” IEEE Microwave and Wireless Components Letters, vol.23, no.7, Jul. 2013, pp.344-346.
  510. Y. X. Wang, L. Zhu and S.B. Zhang, “’High-selective wideband bandpass filter with an adjustable notched-band using stub-loaded resonator,” Electronics Letters, vol.49, no.24, Nov. 2013, pp.1542-1544.
  511. Y. X. Wang, L. Zhu and S. B. Zhang, “The design of wideband microstrip bandpass filter using dual stepped impedance stub-loaded resonator,” Advanced Materials Research, vol.760, 2013, pp.401-404.
  512. Y. X. Wang, L. Zhu and S. Zhang, “Compact bandpass filter based on novel hairpin resonator with self-contained triple transmission zeros,” Progress In Electromagnetics Research Letters, vol. 43, 2013, pp.65-72.
  513. B. Jiang, L. Zhu, and D. Chen, “A novel wideband bandpass filter using triple-mode slotline ring resonator,” Progress In Electromagnetics Research Letters, vol. 40, 2013, pp.163-170.
  514. R. Zhang and L. Zhu, “Synthesis and design of wideband dual-band bandpass filters with controllable in-band ripple factor and dual-band isolation,” IEEE Transactions on Microwave Theory and Techniques, vol.61, no.5, May 2013, pp.1820-1828.
  515. S. Zhang and L. Zhu, “Synthesis design of dual-band bandpass filters with λ/4 stepped impedance resonators,” IEEE Transactions on Microwave Theory and Techniques, vol.61, no.5, May 2013, pp.1812-1819.
  516. S. Zhang and L. Zhu, “Compact tri-band bandpass filter based on λ/4 resonators with U-folded coupled-line,” IEEE Microwave and Wireless Components Letters, vol.23, no.5, May 2013, pp.258-260.
  517. S. Zhang and L. Zhu, “Synthesis method for even-order symmetrical Chebyshev bandpass filters with alternative J/K inverters and λ/4 resonators,” IEEE Transactions on Microwave Theory and Techniques, vol.61, no.2, Feb. 2013, pp.808-816.
  518. R. Zhang, L. Zhu and S. Luo, “Dual-mode dual-band bandpass filters with adjustable frequency ratio using an annular ring resonator,” IEEE Microwave and Wireless Components Letters, vol.23, no.1, Jan. 2013, pp.13-15.
  519. R. Zhang and L. Zhu, “Synthesis design of a wideband bandpass filter with inductively coupled short-circuited multi-mode resonator,” IEEE Microwave and Wireless Components Letters, vol.22, no.10, Oct. 2012, pp.509-511.
  520. S. Zhang, L. Zhu and R. Li, “Compact quadruplet bandpass filter based on alternative J/K inverters and λ/4 resonators,” IEEE Microwave and Wireless Components Letters, vol.22, no.5, May 2012, pp.224-226.
  521. R. Zhang, L. Zhu and S. Luo, “Dual-mode dual-band bandpass filter using a single slotted circular patch resonator,” IEEE Microwave and Wireless Components Letters, vol.22, no.5, May 2012, pp.233-235.
  522. R. Zhang and L. Zhu, “Microstrip bandpass filters using triple-mode patch-loaded cross resonator,” Progress In Electromagnetics Research Letters, vol.30, 2012, pp.13-20.
  523. X. D. Huang, C.H. Cheng and L. Zhu, “An ultra-wideband (UWB) slotline antenna under multiple-mode resonance,” IEEE Transactions on Antennas and Propagation, vol.60, no.1, Jan. 2012, pp.385-389.
  524. X. D. Huang, C.H. Cheng and L. Zhu, “Wideband antenna using a multiple-mode slotline radiator: proposal and implementation,” IET Microwaves, Antennas and Propagation, vol.5, no.14, Nov. 2011, pp.1773-1778.
  525. S. Zhang and L. Zhu, “Compact and high-selectivity microstrip bandpass filters using triple-quad-mode stub-loaded resonators,” IEEE Microwave and Wireless Components Letters, vol.21, no.10, Oct. 2011, pp.522-524.
  526. S. Luo, L. Zhu and S. Sun, “Compact dual-mode triple-band bandpass filters using three pairs of degenerate modes in a ring resonator,” IEEE Transactions on Microwave Theory and Techniques, vol.59, no.5, May 2011, pp.1222-1229.
  527. S. Luo, L. Zhu and S. Sun, “A dual-mode dual-band bandpass filter using a single slot ring resonator,” Progress In Electromagnetics Research Letters, vol.23, 2011, pp.173-180.
  528. T. B. Lim and L. Zhu, “Highly selective differential-mode wideband bandpass filter for UWB application,” IEEE Microwave and Wireless Components Letters, vol.21, no.3, Mar. 2011, pp.133-135.
  529. T. B. Lim, L. Zhu, Y. Guan and N. C. Phoa, “Wideband microstrip-to-CPS transition with good out-of-band performance for UWB application,” Microwave and Optical Technology Letters, vol.53, no.4, Apr. 2011, pp.836-838.
  530. S. Luo, L. Zhu and S. Sun, “A dual-band ring-resonator bandpass filter based on two pairs of degenerate modes,” IEEE Transactions on Microwave Theory and Techniques, vol.58, no.12, Dec. 2010, pp.3427-3432.
  531. J.-W. Baik, L. Zhu and Y.S. Kim, “Dual-mode dual-band bandpass filter using balun structure for single substrate configuration,” IEEE Microwave and Wireless Components Letters, vol.20, no.11, Nov. 2010, pp.613-615.
  532. S. Sun and L. Zhu, “Miniaturised patch hybrid couplers using asymmetrically-loaded cross slots,” IET Microwaves, Antennas and Propagation, vol.4, no.9, Sep. 2010, pp.1427-1433.
  533. T. B. Lim and L. Zhu, “Differential-mode ultra-wideband bandpass filter on microstrip line,” Electronics Letters, vol.45, no. 22, Oct. 2009, pp.1124-1125.
  534. T. B. Lim and L. Zhu, “A differential-mode wideband bandpass filter on microstrip line for UWB application,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 10, Oct. 2009, pp.632-634.
  535. S. W. Wong and L. Zhu, “UWB bandpass filters using short-circuited shunt stub embedded multiple-mode resonators ,” Microwave and Optical Technology Letters, vol. 51, no. 11, Nov. 2009, pp. 2556-2559.
  536. S. Wen and L. Zhu, “Numerical synthesis design of coupled resonator filters,” Progress In Electromagnetics Research, vol.92, 2009, pp.333-346.
  537. S. Luo and L. Zhu, “A novel dual-mode dual-band bandpass filter based on a single ring resonator,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 8, Aug. 2009, pp.497-499.
  538. S. W. Wong and L. Zhu, “Compact wideband bandpass filters using rhombus-shaped triple-mode resonator,” Microwave and Optical Technology Letters, vol. 51, no. 9, Sep. 2009, pp. 2107-2109.
  539. S. W. Wong and L. Zhu, “Ultra-wideband power dividers with good isolation and improved sharp roll-off skirt,” IET Microwaves, Antennas and Propagation, vol. 3, no. 8, Nov. 2009, pp.1157-1163.
  540. R. Li, S. Sun and L. Zhu, “Synthesis design of ultra-wideband bandpass filters with designable transmission poles,” IEEE Microwave and Wireless Component Letters, vol.19, no.3, May 2009, pp.284-286.
  541. R. Li, S. Sun and L. Zhu, “Synthesis design of ultra-wideband bandpass filters with composite series and shunt stubs ,” IEEE Transactions on Microwave Theory and Techniques, vol. 57, no.3, Mar. 2009, pp. 684-692.
  542. R. Li, S. Sun and L. Zhu, “Direct synthesis of transmission line low-pass/high-pass filters with series stubs,” IET Microwaves, Antennas & Propagation, vol.3, no.4, Jun. 2009, pp. 654-662.
  543. S. W. Wong and L. Zhu, “Quadruple-mode UWB bandpass filter with improved out-of-band rejection,” IEEE Microwave and Wireless Component Letters, vol.19, no.3, Mar. 2009, pp. 152-154.
  544. S. Sun and L. Zhu, “Multiple-mode-resonator-based bandpass filters for ultrawideband transmission systems,” IEEE Microwave Magazine, vol. 10, no. 2, Apr. 2009, pp. 88-98.
  545. S. W. Wong and L. Zhu, “Ultra-wideband bandpass filters with improved out-of-band behavior via embedded electromagnetic-bandgap multimode resonators,” IET Microwaves, Antennas & Propagation, vol. 2, no.8, Dec. 2008, pp. 854-862.
  546. S. W. Wong and L. Zhu, “Ultra-wide bandpass filters with sharpened roll-off skirts, extended upper-stopband and controllable notch-band,” Microwave and Optical Technology Letters, vol.50, no.11, Nov., 2008, pp.2958-2961.
  547. S. W. Wong and L. Zhu, “Ultra-wideband power divider with good in-band splitting and isolation performances,” IEEE Microwave and Wireless Component Letters, vol.18, no.8, Aug. 2008, pp. 518-520.
  548. S. Luo, L. Zhu and S. Sun, “Stopband-expanded low-pass filters using microstrip coupled-line hairpin units,” IEEE Microwave and Wireless Component Letters, vol.18, no.8, Aug. 2008, pp. 506-508.
  549. S. Sun and L. Zhu, “An asymmetrically-loaded interdigital coupled line for wideband microstrip bandpass filters with good out-of-band performance,” Electronics Letters, vol.44, no. 8, Apr. 2008, pp.530-531.
  550. S. Sun and L. Zhu, “Numerical deembedding technique for planar discontinuities with periodically non-uniform feed lines,” International Journal of RF and Microwave Computer-Aided Engineering, vol. 18, no. 5, Sep. 2008, pp. 496-504.
  551. S. Sun, L. Zhu, and H. -H. Tan, “A compact wideband bandpass filter using transversal resonator and asymmetrical interdigital coupled lines,” IEEE Microwave and Wireless Component Letters, vol. 18, no.3, Mar. 2008, pp. 173-175.
  552. S. Sun, J. Shi, L. Zhu, S. C. Rustagi, K. Kang, and K. Mouthaan, “40 GHz compact TFMS meander-line bandpass filter on Silicon substrate,” Electronics Letters, vol. 43, no. 25, 6 Dec. 2007, pp. 1433-1434.
  553. R. Li and L. Zhu, “Ultra-wideband (UWB) microstrip-slotline bandpass filter with enhanced rejection skirts and widened upper stopband,” Electronics Letters, vol.43, no. 24, Nov. 2007, pp. 1368-1369.
  554. S. W. Wong and L. Zhu, “Implementation of compact UWB bandpass filter with a notch-band,” IEEE Microwave and Wireless Components Letters, vol.18, no.1, Jan. 2008, pp. 10-12.
  555. T. B. Lim, S. Sun and L. Zhu, “Compact ultra-wideband bandpass filter using harmonic-suppressed multiple-mode resonator,” Electronics Letters, vol.43, no. 22, Oct. 2007, pp. 1205-1206.
  556. J. Gao, L. Zhu and K. Li, “Guided-wave propagation characteristics of fully-integrated coplanar-waveguide metamaterials with distributed loading,” IEICE Transactions on Electronics, vol.E91-C, no.1, Jan. 2008, pp.34-40.
  557. S. Sun and L. Zhu, “Wideband microstrip ring resonator bandpass filters under multiple resonances,” IEEE Transactions on Microwave Theory and Techniques, vol.55, no.10, Oct. 2007, pp.2176-2182.
  558. R. Li and L. Zhu, “Reply to Comment on “Compact UWB bandpass filter using stub-loaded multiple-mode resonator””, IEEE Microwave and Wireless Components Letters, vol.17, no.11, Nov. 2007, pp. 812-812.
  559. R. Li and L. Zhu, “Ultra-wideband (UWB) bandpass filters with hybrid microstrip/slotline structures,” IEEE Microwave and Wireless Components Letters, vol.17, no.11, Nov. 2007 pp. 778-780.
  560. S. W. Wong and L. Zhu, “EBG-embedded multiple-mode resonator for UWB bandpass filter with improved upper-stopband performance,” IEEE Microwave and Wireless Components Letters, vol. 17, no.6, Jun. 2007, pp. 421-423.
  561. S. Sun, J. Shi, L. Zhu, S. C. Rustagi, and K. Mouthaan, “Millimeter-wave bandpass filters by standard 0.18-µm CMOS technology,” IEEE Electron Device Letters, vol. 28, no. 3, Mar. 2007, pp.220-222.
  562. R. Li and L. Zhu, “Stopband-improved dual-mode bandpass filter using side-slit patch Resonator,” Microwave and Optical Technology Letters, vol.49, no.3, Mar. 2007, pp.717-720.
  563. R. Li and L. Zhu, “Compact UWB bandpass filter using stub-loaded multiple-mode resonator,” IEEE Microwave and Wireless Components Letters, vol. 17, no.1, Jan. 2007, pp.40-42.
  564. S. Sun, L. Zhu, L. Wei, H. Peng and K. S. Ang, “Multisection vialess microstrip-line balun with backside aperture and floating patches,” Microwave and Optical Technology Letters, vol.49, no.2, Feb. 2007, pp.253-254.
  565. R. S. Kshetrimayum and L. Zhu, “EBG design using FSS elements in rectangular waveguide,” Applied Computational Electromagnetics Society Journal, Vol. 21, No. 2, Jul. 2006, pp. 149-154.
  566. S. Sun and L. Zhu, “Capacitive-ended interdigital coupled lines for UWB bandpass filters with improved out-of-band performances,” IEEE Microwave and Wireless Components Letters, vol.16, no.8, Aug. 2006, pp.440-442.
  567. J. Gao, L. Zhu, W. Menzel and F. Bögelsack, “Ultra-wideband (UWB) bandpass filter on coplanar waveguide: proposal and implementation,” International Journal of RF and Microwave Computer-Aided Engineering, vol. 17, no.2, Mar. 2007, pp.225-232.
  568. J. Gao and L. Zhu, “Effective complex permittivity and permeability of composite planar left-handed transmission line metamaterials on CPW,” Microwave and Optical Technology Letters, vol.48, no.6, Jun. 2006, pp.1050-1052.
  569. J. Gao, L. Zhu, W. Menzel, F. Bögelsack, “Short-circuited CPW multiple-mode resonator for ultra-wideband (UWB) bandpass filter,” IEEE Microwave and Wireless Components Letters, vol.16, no.3, Mar. 2006, pp.104-106.
  570. H. Wang and L. Zhu, “Ultra-Wideband (UWB) bandpass filter using back-to-back microstrip-to-CPW transition structure,” Electronics Letters, vol.41, no.24, Nov. 2005, pp.1337-1338.
  571. H. Wang and L. Zhu, “Aperture-backed microstrip-line stepped-impedance resonators and transformers for performance-enhanced bandpass filters,” IEICE Transactions on Electronics, vol.E89-C, no.3, Mar. 2006, pp.403-409.
  572. S. Sun and L. Zhu, “Novel design of microstrip bandpass filters with a controllable dual-passband response: description and implementation,” IEICE Transactions on Electronics, vol.E89-C, no.2, Feb. 2006, pp.197-202.
  573. Y. Zhang and L. Zhu, “Printed dual spiral-loop wire antenna for broadband circular polarization,” IEEE Transactions on Antennas and Propagation, vol.54, no.1, Jan. 2006, pp.284-288.
  574. H. Wang, L. Zhu and W. Menzel, “Ultra-wideband (UWB) bandpass filter with hybrid microstrip/CPW structure,” IEEE Microwave and Wireless Components Letters, vol.15, no.12, Dec. 2005, pp.844-846.
  575. S. Sun and L. Zhu, “Electromagnetic bandgap enhancement using high-impedance property of offset finite-ground microstrip line,” Microwave and Optical Technology Letters, vol.47, no.6, Dec. 2005, pp.543-546.
  576. L. Zhu and H. Wang, “A novel ultra-wideband (UWB) bandpass filter on aperture-backed microstrip line,” Electronics Letters, vol.41, no.18, Sep. 2005, pp.1015-1016.
  577. H. Wang and L. Zhu, “Microstrip dual-mode bandpass filter with ultra-broad stopband using aperture-backed stepped-impedance ring resonator,” IEICE Transactions on Electronics, vol.E88-C, no.11, Nov. 2005, pp.2166-2168.
  578. L. Zhu, S. Sun and W. Menzel, “Ultra-wideband (UWB) bandpass filters using multiple-mode resonator,” IEEE Microwave and Wireless Components Letters, Vol.15, no.11, Nov.2005, pp.796-798.
  579. J. Gao and L. Zhu, “Characterization of infinite- and finite-extent coplanar waveguide metamaterials with varied left- and right-handed passbands,” IEEE Microwave and Wireless Components Letters, vol.15, no.11, Nov. 2005, pp.805-807.
  580. S. Sun and L. Zhu, “Compact dual-band microstrip bandpass filter without external feeds,” IEEE Microwave and Wireless Components Letters, vol.15, no.10, Oct. 2005, pp.644-646.
  581. H. Wang and L. Zhu, “Side-coupled microstrip open-loop resonator for harmonic-suppressed bandpass filters,” IEICE Transactions on Electronics, vol.E88-C, no.9, Sep. 2005, pp.1893-1895.
  582. Y. Zhang and L. Zhu, “CPS-fed printed dual spiral-loop strip antenna with circular polarization,” Microwave and Optical Technology Letters, vol.46, no.5, Sep. 2005, pp.506-508.
  583. S. Sun and L. Zhu, “Stopband-enhanced and size-miniaturized lowpass filters using high-impedance property of offset finite-ground microstrip line,” IEEE Transactions on Microwave Theory and Techniques, vol.53, no.9, Sep. 2005, pp.2844-2850.
  584. L. Zhu and H. Shi, “Frequency-dependent guided-wave characteristics of periodically series-capacitive loaded coplanar waveguides,” Microwave and Optical Technology Letters, vol.46, no.1, Jul. 2005, pp.54-58.
  585. R. S. Kshetrimayum, L. Zhu and K. J. Vinoy, “Equivalent material parameter extraction of double strip loaded waveguide,” IEICE Electronics Express, vol.2, no.5, Mar. 2005, pp.165-169.
  586. H. Wang and L. Zhu, “Microstrip dual-mode filters with miniaturized size and broadened stopband using meander-shaped stepped-impedance ring resonator,” IEICE Electronics Express, vol.2, no.5, Mar. 2005, pp.159-164.
  587. S. Sun and L. Zhu, “Periodically nonuniform coupled microstrip lines with equalized even- and odd-mode velocities for harmonic suppression in filter design,” Special Issue on 2004 International Symposium on Antenna and Propagation, IEICE Transactions on Communications, vol.E88-B, no.6, Jun. 2005, pp.2377-2382.
  588. R. S. Kshetrimayum and L. Zhu, “Novel SIS resonators waveguide filters,” International Journal of RF and Microwave Computer-Aided Engineering, vol. 15, no.6, Nov. 2005, pp.560-566.
  589. S. Sun and L. Zhu, “Periodically nonuniform coupled microstrip line filters with harmonic suppression using transmission zero reallocation,” IEEE Transactions on Microwave Theory and Techniques, vol.53, no.5, May 2005, pp.1817-1822.
  590. S. Sun and L. Zhu, “Guided-wave characteristics of periodically nonuniform coupled microstrip lines: even and odd modes,” IEEE Transactions on Microwave Theory and Techniques, vol.53, no.4, Apr. 2005, pp.1221-1227.
  591. R. S. Kshetrimayum and L. Zhu, “Guided-wave characteristics of waveguide based periodic structures loaded with various FSS strip layers,” Special Issues on Artificial Magnetic Conductors, Soft/Hard Surfaces, and Other Complex Surfaces, IEEE Transactions on Antennas and Propagation, vol.53, no.1, Jan. 2005, pp.120-124.
  592. L. Zhu, H. Shi and W. Menzel, “Coupling behaviors of quarter-wavelength impedance transformers for wideband CPW bandpass filters,” IEEE Microwave and Wireless Components Letters, vol.15, no.1, Jan. 2005, pp.13-15.
  593. L. Zhu, B. C. Tan, and S. J. Quek “Miniaturized dual-mode bandpass filter using inductively loaded cross-slotted patch resonator,” IEEE Microwave and Wireless Components Letters, vol.15, no.1, Jan. 2005, pp.22-24.
  594. A. B. Yu, A. Q. Liu, Q. X. Zhang, A. Alphones, L. Zhu and S. A. Peter, “Improvement of isolation for MEMS capacitive switch via membrane planarization,” Sensors and Actuators A-Physical, 119, 2005, pp.206-213.
  595. H. Wang and L. Zhu, “Aperture-backed microstrip stepped impedance resonator with ultra-broad rejection bandwidth,” Electronics Letters, vol.40, no.19, Sep. 2004, pp.1188-1189.
  596. J. Gao and L. Zhu, “Asymmetric parallel-coupled CPW stages for harmonic suppressed λ/4 bandpass filters,” Electronics Letters, vol.40, no.19, Sep. 2004, pp.1122-1123.
  597. H. Wang and L. Zhu, “Characterization of periodic microstrip line EBG structures with improved bandstop behaviours,” Microwave and Optical Technology Letters, vol.43, no.3, Nov. 2004, pp.242-244.
  598. H. Shi and L. Zhu, “High-impedance transformer for wideband λ/4 CPW bandpass filters,” IEICE Electronics Express, vol.1, no.7, Jul. 2004, pp. 198-203.
  599. J. Gao and L. Zhu, “Accurate circuit models of CPW coupling elements for application to design of compact quarter-wavelength bandpass filters,” International Journal of RF and microwave Computer-Aided Engineering, vol. 14, no.5, Sep.2004, pp.453-461.
  600. L. Zhu and W. Menzel, “Broad-band microstrip-to-CPW transition via frequency-dependent electromagnetic coupling,” IEEE Transactions on Microwave Theory and Techniques, vol.52, no. 5, May 2004, pp.1517-1522.
  601. R. S. Kshetrimayum and L. Zhu, “Hybrid MoM-immitance approach for full-wave characterization of printed strips and slots in layered waveguide and its applications,” IEICE Trans Electronics, vol.E87-C, no.5, May 2004, pp.700-707.
  602. S. Sun and L. Zhu, “Unified equivalent circuit model of finite-ground microstrip line open-end discontinuities using MoM-SOC technique,” IEICE Trans Electronics, vol.E87-C, no.5, May 2004, pp.828-831.
  603. J. Gao and L. Zhu, “Investigation on asymmetric parallel-coupled CPW for λ/4 bandpass filters with broad rejection band,” IEICE Electronics Express, vol.1, no.1, Apr. 2004, pp.1-6.
  604. L. Zhu, “Guided-wave characteristics of periodic microstrip lines with inductive loading: slow-wave and bandstop behaviours,” Microwave and Optical Technology Letters, vol.41, no.2, Apr. 2004, pp. 77-79.
  605. L. Zhu, R. Fu and K. L. Wu, “A novel broadband microstrip-fed wide slot antenna with double rejection zeros,” IEEE Antennas Wireless Propagation Letters, vol.2, 2003, pp194-196.
  606. L. Zhu and T. Yakabe, “Fullwave MoM-SOC technique for extraction of equivalent circuit models coplanar waveguide discontinuities: CPW- and CSL-mode cases,” IEICE Trans Electronics, November, vol. E86-C, no.11, Nov. 2003, pp.2292-2299.
  607. L. Zhu, “Guided-wave characteristics of periodic coplanar waveguides with inductive loading – unit-length transmission parameters,” IEEE Transactions on Microwave Theory and Techniques, vol.51, no.10, Oct. 2003, pp.2133-2138.
  608. L. Zhu, “Unified 3-D definition of CPW- and CSL-mode characteristic impedances of coplanar waveguide using MoM-SOC technique,” IEEE Microwave and Wireless Components Letters, vol.13, no.4, Apr. 2003, pp.158-160.
  609. L. Zhu and K. Li, “CPW-fed rectangular microstrip ring antenna for suppression of parasitic backside radiation”, Microwave and Optical Technology Letters, vol.36, no.1, Jan. 2003, pp.65-67.
  610. L. Zhu and W. Menzel, “Compact microstrip bandpass filter with two transmission zeros using a stub-tapped half-wavelength line resonator,” IEEE Microwave and Wireless Components Letters, vol.13, no.1, Jan. 2003, pp.16-18.
  611. W. Menzel, L. Zhu, K. Wu and F. Bögelsack, “On the design of novel compact broadband planar filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 51, no.2, Feb. 2003, pp.364-370.
  612. L. Li, K. Wu and L. Zhu, “Numerical TRL calibration technique for parameter extraction of planar integrated discontinuities in a deterministic MoM algorithm,” IEEE Microwave and Wireless Components Letters, vol. 12, no.12, Dec. 2002, pp.485-487.
  613. L. Zhu and K. Wu, “Corrections to ‘accurate circuit model of interdigital capacitor and its application to design of new quasi-lumped miniaturized filters with suppression of harmonic resonance’”, IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 10, Oct. 2002, pp.2412-2413.
  614. L. Zhu, H. Bu and K. Wu, “Broadband and compact multi-pole microstrip bandpass filters using ground plane aperture technique,” IEE Proc- Microwave and Antenna Propagation, vol.149, no.1, Feb. 2002, pp. 71-77.
  615. L. Zhu and K Wu, “Short-open calibration technique for field theory-based parameter extraction of lumped-elements of planar integrated circuits,” IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 8, Aug. 2002, pp. 1861-1869.
  616. L. Zhu, “Realistic equivalent circuit model of coplanar waveguide open circuit: lossy shunt resonator network,” IEEE Microwave and wireless components Letters, vol. 12, no. 5, May 2002, pp. 175-177.
  617. L. Zhu and K. Wu, “Characterization of finite-ground CPW reactive series-connected elements for innovative design of uniplanar M(H)MICs,” IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 2, Feb. 2002, pp. 549-557.
  618. L. Zhu and K. Wu, “Comparative investigation on numerical de-embedding techniques for equivalent circuit modelling of lumped and distributed microstrip circuits,” IEEE Microwave and Wireless Components Letters, vol. 12, no. 2, Feb. 2002, pp. 51-53.
  619. L. Zhu and K. Wu, “Field-extracted lumped-element models of coplanar stripline (CPS) circuits and discontinuities for accurate radio-frequency design and optimization,” IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 4, Apr. 2002, pp.1207-1215.
  620. L. Zhu and K. Wu, “Accurate circuit model of interdigital capacitor and its application to design of new quasi-lumped miniaturized filters with suppression of harmonic resonance,” IEEE Transactions on Microwave Theory and Techniques, vol. 48, no. 3, Mar. 2000, pp.347-356.
  621. L. Zhu and K. Wu, “Ultra-broadband vertical transition for multilayer integrated circuits,” IEEE Microwave and Guided Wave Letters, vol. 9, no. 11, Nov. 1999, pp.453-455.
  622. L. Zhu and K Wu, “A joint field/circuit model of line-to-ring coupling structure and its application to design of microstrip dual-mode filters and ring resonator circuits,” IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 10, Oct. 1999, pp.1938-1948.
  623. L. Zhu and K. Wu, “Unified equivalent circuit model of planar discontinuities suitable for field theory-based CAD and optimization of M(H)MICs,” IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 9, Pt.I, Sep. 1999, pp.1589-1602.
  624. L. Zhu and K. Wu, “Model-based characterization of CPS-fed printed dipole for innovative design of uniplanar integrated antenna,” IEEE Microwave and Guided Wave Letters, vol. 9, no. 9, Sep. 1999, pp.342-344.
  625. L. Zhu and K. Wu, “Complete circuit model of microstrip-fed slot radiator: theory and experiments,” IEEE Microwave and Guided Wave Letters, Vol. 9, No. 8, Aug. 1999, pp.305-307.
  626. L. Zhu, P. Wecowski and K. Wu, “New planar dual-mode filter using cross-slotted patch resonator for simultaneous size and loss reduction”, IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 5, May 1999, pp.650-654.
  627. L. Zhu and K. Wu, “Author’s reply” to the “comments on revisiting characteristic impedance and its definition of microstrip line with a self-calibration 3D MoM scheme” By James C. Rautio, IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 1, Jan. 1999, pp.117-119.
  628. L. Zhu and K. Wu, “Network equivalence of port discontinuity related to the source plane in a deterministic 3-D method of moments”, IEEE Microwave and Guided Wave Letters, vol. 8, no. 3, Mar.1998, pp.130-132.
  629. L. Zhu and K. Wu, “Revisiting characteristic impedance and its definition of microstrip line with a self-calibration 3D MoM scheme”, IEEE Microwave and Guided Wave Letters, vol. 8, no. 2, Feb. 1998, pp.87-89.
  630. L. Zhu and K. Wu, “Characterization of unbounded multiport microstrip passive circuits using an explicit network-based method of moments”, IEEE Transactions on Microwave Theory and Techniques, vol. 45, no. 12, Part I, Dec. 1997, pp. 2114-2124.
  631. L. Zhu and E. Yamashita, “Effects of conductor edge profile on transmission properties of conductor-backed coplanar waveguides”, IEEE Transactions on Microwave Theory and Techniques, vol. 43, no. 4, Apr. 1995, pp.847-853.
  632. L. Zhu and E. Yamashita, “Full-wave boundary integral equation method for suspended planar transmission lines with pedestals and finite metallization thickness”, IEEE Transactions on Microwave Theory and Techniques, vol. 41, no. 3, Mar. 1993, pp.478-483.
  633. L. Zhu and E. Yamashita, “Full-wave analysis of strip transmission line on dielectric rod”, IEEE Microwave and Guided Wave Letters, vol. 2, no. 12, Dec. 1992, pp.478-479.
  634. Y. Qian, L. Zhu and E. Yamashita, “Characterization of picosecond pulse propagation in a microstrip line divider”, IEEE Microwave and Guided Wave Letters, vol. 2, no. 5, May 1992, pp.191-193.
  635. L. Zhu and E. Yamashita, “Accurate analysis of various planar transmission lines with finite metallization thickness using eigen-function weighted boundary integral equation method”, IEICE Transactions on Electronics, vol. E-75, no. 2, Feb. 1992, pp.259-266.
  636. L. Zhu and E. Yamashita, “New method for the analysis of dispersion characteristics of various transmission lines with finite metallization thickness”, IEEE Microwave and Guided Wave Letters, vol. 1, no. 7, Jul. 1991, pp.164-166.
  637. L. Zhu and W. Zhang, “The bandwidth of single-mode operation in groove NRD waveguide”, International Journal of Infrared and Millimeter Waves, vol. 10, no. 3, 1989, pp.371-379.
  638. L. Xiao, L. Zhu and W. Zhang, “Analysis of the mono-groove NRD waveguide and antenna”, International Journal of Infrared and Millimeter Waves, vol. 10, no. 3, 1989, pp.361-370.
  639. L. Zhu and W. Zhang, “Solution of arbitrary cross-section waveguide using the method of eigen weighted boundary integral equation”, Journal of Electronics, vol. 7, no. 3, Jul. 1990, pp.258-262.
  640. L. Zhu, L. Xiao and W. Zhang, “Characteristics of coupled groove nonradiative dielectric waveguides”, The Journal of Microwaves (in Chinese), no. 1, 1989, pp. 1-7.
  641. L. Zhu and W. Zhang, “Study of groove nonradiative dielectric waveguide and leaky-wave antenna”, (in Chinese) Journal of Nanjing Institute of Technology, vol. 18, no. 1, pp.98-105, January 1988; (English Edition) Journal of Southeast University, vol. 5, No. 1, May 1989, pp. 9-14.
  642. W. Zhang and L. Zhu, “New leaky-wave antenna for millimeter waves constructed from groove NRD waveguide”, Electronics Letters, vol. 23, no. 22, Oct. 1987, pp. 1191-1192.

Conference papers (278 Papers):

  1. X. Yu and L. Zhu, “A square coaxial transmission line with partially filled low-cost 3-D printing insulator,” Proceedings of 2024 Asia-Pacific Conference on Antennas and Propagation (APCAP), Nanjing, 22-25 Sep. 2024, Paper No.: 536.
  2. W. Zhang, B. Li, L. Zhu, and Y.-P. Lyu, “Linear-to-circular polarization converter based on 3-D anisotropic stacked slotline lattices,” Proceedings of 2024 Asia-Pacific Conference on Antennas and Propagation (APCAP), Nanjing, 22-25 Sep. 2024, Paper No.: 177.
  3. J. Cui and L. Zhu, “Absorptive microwave filters: from narrowband to wideband operation,” Proceedings of 2024 International Applied Computational Electromagnetics Symposium (ACES-China), Xi’An, 16-19 Aug. 2024, Paper ID: 2825.
  4. M. Sun and L. Zhu, “Triple-mode filtering patch antenna with high selectivity by loading symmetric slots,” Proceedings of 2024 International Applied Computational Electromagnetics Symposium (ACES-China), Xi’An, 16-19 Aug. 2024, Paper ID: 2870.
  5. T.-X. Feng, H. Li, and L. Zhu, “Bandpass-filtering periodic structure and its application on pattern manipulation,” (invited) Proceedings of 2024 International Applied Computational Electromagnetics Symposium (ACES-China), Xi’An, 16-19 Aug. 2024, Paper ID: 2554.
  6. M. Li, J. Xu, J. Wu, Z. Sun, M. Tang, and L. Zhu, “Design of tilted-beam parasitic array antennas based on index-modulated patches,” (invited) Proceedings of 2024 International Applied Computational Electromagnetics Symposium (ACES-China), Xi’An, 16-19 Aug. 2024, Paper ID: TP1B.
  7. J. Shen, T. Wei, B. Li, and L. Zhu, “Synthesis Design of Three-dimensional Wideband Polarization-rotating Surface,” Proceedings of 2024 International Applied Computational Electromagnetics Symposium (ACES-China), Xi’An, 16-19 Aug. 2024, Paper ID: Poster Session II, P.17.
  8. J. Duan, L. Zhu, and C. Liao, “An effective control strategy for propagation constants of stub-loaded endfire leaky-wave antenna,” Proceedings of 2024 IEEE 7th International Conference on Electronic Information and Communication Technology (ICEICT), Xi’An, 30 Jul. – 2 Aug. 2023, Paper ID: 8491.
  9. H. Li, X. Guo, L. Zhu, W. Wu, and Z. Feng, “Tunable phase shifter with large phase range based on reconfigurable resonator,” 2024 IEEE International Symposium on Antennas and Propagation and ITNC-USNC-URSI Radio Science Meeting, Florence, 14-19 Jul. 2024, Paper ID: 1878.
  10. T. Wei, W. Zhang, H. Li, B. Li, and L. Zhu, “Synthesis design of wideband 3-D polarization-rotating spatial filter,” Proceedings of 2024 IEEE MTT-S International Microwave Symposium, 16-21 Jun. 2024, Washington D. C., Paper No.: D 323-WJ789.
  11. W. Ye, Z.-C. Guo, and L. Zhu, “Design of a third-order inline waveguide bandpass filter with cross coupling and spurious mode suppression,” Proceedings of 2024 International Wireless Symposium, Beijing, 16-19 May 2024, Paper ID: SA1O-1.
  12. Y.-P. Lyu, W. Yang, L. Zhu, and C.-H. Cheng, “An analytical approach to extract circuit model for low loss filtering multimode patch antennas from S11 measurement,” Proceedings of 2024 International Wireless Symposium, Beijing, 16-19 May 2024, Paper ID: SA2N-4.
  13. D. Yin and L. Zhu, “A design of reflective linear-to-circular polarization conversion pattern manipulation surfaces with enhanced axial ratio bandwidth,” Proceedings of 2024 International Wireless Symposium, Beijing, 16-19 May 2024, Paper ID: SA2P-2.
  14. W. Zhang, L. Zhu, and B. Li, “Anisotropic 3-D frequency-selective structure with identical profile consideration for unified manipulation designs of spatial waves,” Proceedings of 2024 International Wireless Symposium, Beijing, 16-19 May 2024, Paper ID: FP3Q-P.11.
  15. T.-X. Feng, L. Zhu, and H. Li, “Dual-polarized 3-D microwave absorbers with synthesizable operating bandwidth, absorptive resistance, and absorption ratio,” Proceedings of 2024 International Wireless Symposium, Beijing, 16-19 May 2024, Paper ID: FP1Q-P.11.
  16. S.-T. Wang and L. Zhu,” A multimode null reconfigurable antenna for grating lobe suppression,” Proceedings of 2024 International Conference on Microwave and Millimeter Wave Technology, Beijing, 16-19 May 2024, Paper ID: FP4Q-P.32.
  17. X. Chen, Y. Que, X. Fang, and L. Zhu, “Design of a pattern-reconfigurable wideband filtering directive dipole antenna,” Proceedings of 2024 International Conference on Microwave and Millimeter Wave Technology, Beijing, 16-19 May 2024, Paper ID: SP1I-3.
  18. T. Wei, H. Li, B. Li, and L. Zhu, “A synthesis technique for wideband 3-D polarization-rotating structure based on Chebyshev function,” Proceedings of 2024 International Conference on Microwave and Millimeter Wave Technology, Beijing, 16-19 May 2024, Paper ID: SP2Q-P.34.
  19. N.-W. Liu, L. Zhu, G. Fu, and Y. Liu, “Performance improvement of the multi-port antenna based on the multi-mode concept,” 2024 Photonics & Electromagnetics Research Symposium, April 21–25, 2024 Chengdu, Paper ID: 3A3b.
  20. N.-W. Liu and L. Zhu, “Multi-mode microstrip printed antennas,” (invited), Proceedings of 2024 IEEE International Conference on Computational Electromagnetics (ICCEM 2024), 15-17 Apr. 2024, Nanjing, Paper No.: 262.
  21. W. Zhang, B. Li, and L. Zhu, “3-D frequency selective surfaces based on guided-wave structures: proposal, theory, and application,” (invited), Proceedings of 2023 Asia-Pacific Microwave Conference (APMC), Taiwan, 5-8 Dec. 2023, Paper No.: TH-E4-1 (220562).
  22. H. Wan, J. Xu, and L. Zhu, “Enhanced beam controllability 4 × 4 Butler matrix with digital phase shifters,” (invited), Proceedings of 2023 Asia-Pacific Conference on Antennas and Propagation (APCAP), Guangzhou, 19-22 Nov. 2023, Paper No.: TA2E-1.
  23. Y.-P. Lyu and L. Zhu, “Co-design of phase shifters and antenna elements for series-fed arrays with improved performance,” (invited), Proceedings of 2023 Asia-Pacific Conference on Antennas and Propagation (APCAP), Guangzhou, 19-22 Nov. 2023, Paper No.: TA1F-2.
  24. Y.-J. Zhu, F. Huang, B. Li, and L. Zhu, “Co-design of phase shifters and antenna elements for series-fed arrays with improved performance,” (1 of 26 shortlisted papers in Student Paper Competition), Proceedings of 2023 Asia-Pacific Conference on Antennas and Propagation (APCAP), Guangzhou, 19-22 Nov. 2023, Paper No.: TP1P-24.
  25. T.-X. Feng and L. Zhu, “3-D microwave absorbers with ultrawide bandwidths and simple structures: from synthetic design to implementation,” (one of 11 SPC Finalists: Special Session Student Paper Competition (SPC)), Proceedings of XXXVth URSI General Assembly and Scientific Symposium (GASS), Sapporo, 19-26 Aug. 2023, Paper ID: #1481.
  26. Q. Liu, L. Zhu, and W.-J. Lu, “A simple design of wideband filtering square patch antenna based on triple modes via loading of slots,” Proceedings of 2023 International Applied Computational Electromagnetics Symposium (ACES-China), Hangzhou, 15-18 Aug. 2023, Paper ID: 247.
  27. J.-B. Duan and L. Zhu, “A vertically-polarized end-Fire leaky wave antenna with high gain and improved efficiency,” Proceedings of 2023 International Applied Computational Electromagnetics Symposium (ACES-China), Hangzhou, 15-18 Aug. 2023, Paper ID: 290.
  28. J.-Q. Cui and L. Zhu, “Wideband matched filtering antennas with absorptive resonators,” Proceedings of 2023 International Applied Computational Electromagnetics Symposium (ACES-China), Hangzhou, 15-18 Aug. 2023, Paper ID: 334.
  29. H.-D. Li and L. Zhu, “Half-width microstrip bidirectional leaky-wave antenna with dual-frequency high-gain omnidirectional radiation,” Proceedings of 2023 International Applied Computational Electromagnetics Symposium (ACES-China), Hangzhou, 15-18 Aug. 2023, Paper ID: 733.
  30. H.-D. Li and L. Zhu, “Radiation pattern reshaping of an open-circuited bidirectional leaky-wave antenna,” Proceedings of 2023 International Wireless Symposium, Qingdao, 14-17 May 2023, Paper ID: TA2P-7.
  31. T.-X. Feng and L. Zhu, “A design of dual-polarized 3-D pattern manipulation structure using slotline-based elements,” Proceedings of 2023 International Wireless Symposium, Qingdao, 14-17 May 2023, Paper ID: TA2P-5.
  32. W. Zhang, B. Li, and L. Zhu, “Synthesis theory and modeling of guided wave-based three-dimensional frequency-selective structures,” Proceedings of 2023 International Wireless Symposium, Qingdao, 14-17 May 2023, Paper ID: TA2P-1.
  33. S.-T. Wang and L. Zhu, “Design of a directly-fed pattern reconfigurable patch antenna and its array performance,” Proceedings of 2023 International Wireless Symposium, Qingdao, 14-17 May 2023, Paper ID: MP1K-4.
  34. W. Liu, C. Zhao, and L. Zhu, “An efficient method to extract properties of periodic slow wave structures for TWT applications,” Proceedings of 2023 International Wireless Symposium, Qingdao, 14-17 May 2023, Paper ID: TP1P-1.
  35. W. Wu, Z.-c. Guo, and L. Zhu, “A new configuration for waveguide filters with parallel coupling paths,” Proceedings of 2023 International Conference on Microwave and Millimeter Wave Technology, Qingdao, 14-17 May 2023, Paper ID: TP1F-4.
  36. Z. Chen, S.-W. Wong, Y. He, and L. Zhu, “Compact wideband phase shifter based on multi-mode resonator,” Proceedings of 2023 International Conference on Microwave and Millimeter Wave Technology, Qingdao, 14-17 May 2023, Paper ID: MP4P-14.
  37. T. Wei, B. Li, L. Zhu, and C.-H. Cheng, “Novel design of dual-/tri-band polarization rotation surfaces using orthogonally inserted coupled slotlines,” Proceedings of 2023 International Conference on Microwave and Millimeter Wave Technology, Qingdao, 14-17 May 2023, Paper ID: TA1P-32.
  38. H. Deng and L. Zhu, “Enhancing isolation of two-port single patch antenna by shifting electric wall,” Proceedings of 2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, Guangzhou, 12-14 Dec., 2022, Paper ID: TP1G-1.
  39. Y. Chang, W. Jiao, L. Zhu, Y. Han, and B. Li, “Dual-band polarization insensitive frequency selective absorber based on 2.5-D mesh grid structure,” Proceedings of 2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, Guangzhou, 12-14 Dec., 2022, Paper ID: TP2P-6.
  40. J. Duan and L. Zhu, “A compact horizontally-polarized end-fire leaky wave antenna based on coplanar stripline,” Proceedings of 2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, Guangzhou, 12-14 Dec., 2022, Paper ID: TP2P-17.
  41. T. Pei, J. Wang, L. Zhu, and W. Wu, “A novel E-plane MIMO patch antenna using compact decoupling method,” Proceedings of 2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, Guangzhou, 12-14 Dec., 2022, Paper ID: TP2P-19.
  42. Z.-A. Ouyang, L. Zhu, L.-L. Qiu, L. Feng, and S. Zhao, “Advanced microwave balanced structures on coplanar stripline (CPS) with intrinsic common-mode suppression,” Proceedings of 2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, Guangzhou, 12-14 Dec., 2022, Paper ID: TP2A-2.
  43. Y.-J. Zhu, H. Li, B. Li, and L. Zhu, “Three-dimensional wideband microwave absorber on slotline structures,” Proceedings of 2022 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, Guangzhou, 12-14 Dec., 2022, Paper ID: WA2B-1.
  44. Y. Lyu, L. Zhu, and C. Cheng, “Multiple-resonance-based wideband phase shifter with high-performance and extended applications,” Proceedings of 2022 International Applied Computational Electromagnetics Society Symposium in China (ACES-China 2022), 9-12 Dec., 2022, Paper ID: SP1G-5.
  45. J. Zeng, F. Huang, and L. Zhu, “Design of A Quadrature Signal Generator with Filtering Response Using Stub-Loaded Resonators,” Proceedings of 2022 International Applied Computational Electromagnetics Society Symposium in China (ACES-China 2022), 9-12 Dec., 2022, Paper ID: SP1P-35.
  46. B. Li and L. Zhu, “Recent advances in three-dimensional frequency selective structures,” (Invited talk) Proceedings of 2022 TENCON (IEEE region 10 conference), Hong Kong, 1-4 Nov. 2022, Paper no.: 9904.
  47. H.-D. Li and L. Zhu, “Broadside radiation boundary curves of finite-length bidirectional leaky-wave antennas,” Proceedings of 2022 International Conference on Microwave and Millimeter Wave Technology, Harbin, 12-15 Aug. 2022, Session no. SA2G, pp.xx-xx.
  48. T.-X. Feng and L. Zhu, “A novel 3-D pattern modulation surface using slotline elements,” Proceedings of 2022 International Conference on Microwave and Millimeter Wave Technology, Harbin, 12-15 Aug. 2022, Session no. SA2G, pp.xx-xx.
  49. Q.-Y. Zeng, X. Zhang, L. Zhu, Q.-H. Jiang, and T. Yuan, “Coupled circularly-polarized antenna pair with stable-performance for wearable devices,” Proceedings of 2022 International Conference on Microwave and Millimeter Wave Technology, Harbin, 12-15 Aug. 2022, Session no. SP1I, pp.xx-xx.
  50. K. Wu, H. Li, B. Li, and L. Zhu, “Short-open-load (SOL) calibration technique for accurate parameter extraction in micro-coaxial-line circuit,” Proceedings of 2022 International Conference on Microwave and Millimeter Wave Technology, Harbin, 12-15 Aug. 2022, Session no. SP3P, pp.xx-xx.
  51. T. Pei, J. Wang, L. Zhu, and W. Wu, “A compact decoupling method for MIMO patch antennas in E-plane,” Proceedings of 2022 International Conference on Microwave and Millimeter Wave Technology, Harbin, 12-15 Aug. 2022, Session no. SP3P, pp.xx-xx.
  52. S.-X. Ren, Y.-P. Lyu, B. Li, and L. Zhu, “Improved Schiffman phase shifter with low insertion loss for millimeter-wave applications,” Proceedings of 2022 International Conference on Microwave and Millimeter Wave Technology, Harbin, 12-15 Aug. 2022, Session no. SP2P, pp.xx-xx.
  53. G. Dai, F. Huang, and Lei Zhu, “Design of multi-way in-phase feeding networks with arbitrary power distribution based on SIW cavity,” Proceedings of 2022 International Wireless Symposium, Harbin, 12-15 Aug. 2022, Session no. SA3P, pp.xx-xx.
  54. N.-W. Liu and L. Zhu, “Microstrip patch antennas with enhanced linearly- or circularly-polarized beamwidth: a mini-review,” Proceedings of 2022 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM2022), Chiba, Aug. 29-31, 2022, Paper ID: #1570812500.
  55. T.-K. Sun, N.-W. Liu, L. Zhu, and G. Fu, “A low-profile wideband dielectric resonant antenna under multi-resonant modes,” Proceedings of 2022 PhotonIcs & Electromagnetics Research Symposium (PIERS), Hangzhou, Apr. 25–27, 2022, pp.348-352.
  56. Y. Xu, N.-W. Liu, and L. Zhu, “A dual-band circularly polarized slot antenna with flexible frequency ratio and similar in-band gain,” (Invited) Proceedings of 2021 Computing, Communications and IoT Applications Conference, Shenzhen, Nov. 26-28, 2021, Paper ID: #1570776135.
  57. N.-W. Liu and L. Zhu, “Low-profile patch antennas with multi-beam, multi-polarization, or harmonic suppressing by using multi-mode concept,” (Invited) Proceedings of 2021 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, Chongqing, Nov. 15-17, 2021, Paper ID: MP3A-1.
  58. S. Tian, M. Li, M.-C. Tang, and L. Zhu, “A compact self-decoupled filtering microstrip patch antenna,” (Best Student Paper Award), Proceedings of IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, Chongqing, Nov. 15-17, 2021, Paper ID: MA3A-4.
  59. X. Zhao, B. Li, and L. Zhu, “Single-feed multi-beam transmitarray antenna design using parallel particle swarm optimization,” Proceedings of 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, 4-10 Dec. 2021, Paper No.: #2337
  60. J. Duan and L. Zhu, “Pattern conversion methods for EH0-mode microstrip leaky wave antenna,” (Best Student Paper Prize), Proceedings of 2021 Cross Strait Radio Science and Wireless Technology Conference (CSRSWTC), Shenzhen, Oct. 11-13, 2021, Paper ID: 1570716556
  61. H. Deng and L. Zhu, “Compact pattern-diversity patch antenna by using TM10 and TM20 modes,” Proceedings of 2021 Cross Strait Radio Science and Wireless Technology Conference (CSRSWTC), Shenzhen, Oct. 11-13, 2021, Paper ID: 1570716521.
  62. K.-D. Hong, X. Zhang, L. Zhu, and T. Yuan, “A high-gain patch antenna with reconfigurable broadside and bidirectional beams under operation of dual high-order modes,” Proceedings of 2021 Cross Strait Radio Science and Wireless Technology Conference (CSRSWTC), Shenzhen, Oct. 11-13, 2021, Paper ID: 1570725020.
  63. Y. Yang, X. Zhang, T.-Y. Tan, T. Yuan, and L. Zhu, “A pin-loaded and SIW-fed circular patch antenna with stable high gain and wide impedance bandwidth,” Proceedings of 2021 Cross Strait Radio Science and Wireless Technology Conference (CSRSWTC), Shenzhen, Oct. 11-13, 2021, Paper ID: 1570724749.
  64. Y.-D. Liang, N.-W. Liu, G. Fu, and L. Zhu, “’A wideband compact dual-polarized microstrip patch antenna under triple-resonance,” Proceedings of 2021 Cross Strait Radio Science and Wireless Technology Conference (CSRSWTC), Shenzhen, Oct. 11-13, 2021, Paper ID: 1570713453.
  65. N.-W. Liu and L. Zhu, “Equivalent magnetic currents controlling of LP patch antennas for multi-mode multifunctional performance,” Proceedings of 2021 Cross Strait Radio Science and Wireless Technology Conference (CSRSWTC), Shenzhen, Oct. 11-13, 2021, Paper ID: 1570719540.
  66. Z.-J. Kang, N.-W. Liu, L. Zhu, and G. Fu, “A single-layer dual-band shorted-patch antenna with same circularly polarization based on multi-resonant modes,” Proceedings of 2021 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Chengdu, Jul. 28-31, 2021, pp.xx-xx.
  67. N.-W. Liu and L. Zhu, “Multiple-resonator-based wideband and multiband microstrip patch antennas  (invited),”  Proceedings of 2021 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Chengdu, Jul. 28-31, 2021, pp.xx-xx.
  68. S. Gao, N.-W. Liu, G. Fu, and Lei Zhu, “Low-profile wideband microstrip patch antenna by exciting resonant modes of the MPA and network,” Proceedings of 2021 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Chengdu, Jul. 28-31, 2021, pp.xx-xx.
  69. B.-X. Zhao, J.-H. Guo, S.-W. Wong, Z.-M. Xie, L. Zhang, L. Zhu, and Y. J. He, “A compact highly-selective planar triple-band bandpass filter,” Proceedings of 2021 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Chengdu, Jul. 28-31, 2021, pp.xx-xx.
  70. G. Zhang, Z. Zhang, R. Li, and L. Zhu, “Proposal and synthesis design of multi-band filtering power dividers,” Proceedings of 2021 International Applied Computational Electromagnetics Society (ACES-China) Symposium, Chengdu, Jul. 28-31, 2021, pp.xx-xx.
  71. B. Li and L. Zhu, “Recent advances in three-dimensional frequency selective structures (invited),” Proceedings of 2021 International Wireless Symposium, Nanjing, 23-26 May 2021, pp.xx-xx.
  72. N.-W. Liu and L. Zhu, “A narrow dual-band slot antenna with radiation pattern transformation of the second mode (invited),” Proceedings of 2021 International Conference on Microwave and Millimeter Wave Technology, Nanjing, 23-26 May 2021, pp.xx-xx.
  73. Z.-Y. Xu, X. Zhang, K.-D. Hong, L. Zhu, and T. Yuan, “Differentially-fed rectangular patch antenna under TM21 and TM03 modes for enhanced bandwidth and stable high gain,” Proceedings of 2021 International Conference on Microwave and Millimeter Wave Technology, Nanjing, 23-26 May 2021, pp.xx-xx.
  74. Y.-D, Liang, N.-W. Liu, L. Zhu, and G. Fu, “A low-profile differential-fed microstrip patch antenna with wide-beamwidth and high-gain under dual-band by multi-resonant modes,” Proceedings of 2021 International Conference on Microwave and Millimeter Wave Technology, Nanjing, 23-26 May 2021, pp.xx-xx
  75. M.-J. Sun, N.-W. Liu, L. Zhu, and G, Fu, “Wideband microstrip patch antenna with low RCS using multi-mode resonance,” Proceedings of 15th European Conference on Antennas and Propagation, Virtual Conference, 22-26 Mar. 2021.
  76. N.-W. Liu and L. Zhu, “Single-layer low-profile patch antennas with improved CP performance by using multiresonant modes,” (Invited paper) Proceedings of 2020 Asia-Pacific Microwave Conference, Hong Kong, 8-11 Dec. 2020, pp.231-233.
  77. Y.-P. Lyu, L. Zhu, and C. Cheng, “An integration perspective for power divider and phase shifter with performance enhancement,” Proceedings of 2020 Asia-Pacific Microwave Conference, Hong Kong, 8-11 Dec. 2020, pp.383-385.
  78. G.-X. Li, X. Zhao, K.-D. Hong, L. Zhu, and T. Yuan, “Differentially-fed circular patch antenna under dual high-order modes for enhanced bandwidth and stable high gain,” Proceedings of 2020 Asia-Pacific Microwave Conference, Hong Kong, 8-11 Dec. 2020, pp.66-68.
  79. W. Wu, B. Li, and L. Zhu, “Design of reflectarray/radome using novel circular polarization selective surface,” Proceedings of 2020 Asia-Pacific Microwave Conference, Hong Kong, 8-11 Dec. 2020, pp.389-391.
  80. J.-F. Lin and L. Zhu, “A modal method to enhance AR bandwidth: exemplified by a CP crossed dipole antenna,” Proceedings of 2020 Asia-Pacific Microwave Conference, Hong Kong, 8-11 Dec. 2020, pp.239-241.
  81. S. Wang, W. Ge, G. Zhang, Y. Li, S.-W. Wong, and L. Zhu, “3-D printed metallic CP antenna with dual-cavity structure and enhanced axial ratio bandwidth,” Proceedings of 2020 Asia-Pacific Microwave Conference, Hong Kong, 8-11 Dec. 2020, pp.236-238.
  82. H. Li, Y.-P. Lyu, B. Li, and L. Zhu, “A new class of 3D wideband frequency selective structures based on multimode resonators,” Proceedings of 2020 International Wireless Symposium, Shanghai, 20-23 Sep. 2020, Paper No.: 9360066.
  83. Z. Guo, L. Zhu, and G. Zhang, “A fourth order waveguide bandpass filter with compact size on transversal coupling topology,” Proceedings of 2020 International Wireless Symposium, Shanghai, 20-23 Sep. 2020, Paper No.: 9360038.
  84. X. Zhao, Y. Lyu, B. Li, and L. Zhu, “A wideband transmitarray antenna based on 3-D frequency selective structures with stacked slotline elements,” Proceedings of 2020 International Wireless Symposium, Shanghai, 20-23 Sep. 2020, Paper No.: 9360084.
  85. B. Liu, Y.-P. Lyu, Y.-J. Zhou, L. Zhu, C.-H. Cheng, “Miniaturized 3-dB quadrature coupler with hybrid elements using multilayer substrates,” Proceedings of 2020 International Wireless Symposium, Shanghai, 20-23 Sep. 2020, Paper No.: 9360142.
  86. B. Li and L. Zhu, “Synthesis of 3-D bandpass frequency selective surfaces with arbitrary bandwidths,” Proceedings of 2020 International Wireless Symposium, Shanghai, 20-23 Sep. 2020, pp.xx-xx.
  87. X. Wang, J. Wang, L. Zhu, and W. Wu, “Design of wideband filtering power divider with compact size and high isolation,” Proceedings of 2020 International Wireless Symposium, Shanghai, 20-23 Sep. 2020, Paper No.: 9360044.
  88. J. Wang and L. Zhu, “Design of balanced filtering components based on transmission line, substrate integrated waveguide and patch resonators,” Proceedings of 2020 International Wireless Symposium, Shanghai, 20-23 Sep. 2020, Paper No.: 9360080.
  89. Q. Liu, L. Zhu, J. Wang, and W. Wu, “Compact balanced-to-balanced filtering power divider based on square patch resonator,” Proceedings of 2020 International Wireless Symposium, Shanghai, 20-23 Sep. 2020, Paper No.: 8481559.
  90. J. Shi, L. Zhu, N.-w. Liu, R. Hong, and W. Wu, “A novel pattern-reconfigurable microstrip Yagi antenna with compact size and simple structure,” Proceedings of 2020 International Conference on Microwave and Millimeter Wave Technology, Shanghai, 20-23 Sep. 2020, Paper No.: 9386887.
  91. F. Huang, L. Zhu, B. Li, Y. Bo, and G. Zhang, “Ultra-wideband impedance transforming balun bandpass filter with multilayer liquid crystal polymer technology,” Proceedings of 2020 International Conference on Microwave and Millimeter Wave Technology, Shanghai, 20-23 Sep. 2020, Paper No.: 9386488.
  92. S. Wang, L. Zhu, W. Ge, H. Tu, Y. Li, and G. Zhang, “RCS reduction of traveling-wave antenna by replacing metal with 3-D printed ceramic,” Proceedings of 2020 International Conference on Microwave and Millimeter Wave Technology, Shanghai, 20-23 Sep. 2020, pp.xx-xx.
  93. Z.-A. Ouyang and L. Zhu, “Proposal of quasi-lumped coplanar stripline resonators for balanced filter with intrinsic common-mode rejection,” Proceedings of 2020 International Conference on Microwave and Millimeter Wave Technology, Shanghai, 20-23 Sep. 2020, Paper No.: 9386956.
  94. Y. Xu, N. Liu, and L. Zhu, “Differential-fed dual-band slot antenna with end-fire radiation,” Proceedings of 2020 International Conference on Microwave and Millimeter Wave Technology, Shanghai, 20-23 Sep. 2020, Paper No.: 9386341.
  95. Q.-Y. Zeng, K.-D. Hong, X. Zhang, L. Zhu, W. He, and T. Yuan, “Resonator-fed high-order patch antenna with bandwidth enhancement and adjacent mode suppression,” Proceedings of 2020 International Conference on Microwave and Millimeter Wave Technology, Shanghai, 20-23 Sep. 2020, Paper No.: 9386343.
  96. Q.-S. Wu, X. Zhang, and L. Zhu, “Wideband circularly polarized patch antennas via co-design of feeding networks,” (invited), Proceedings of 2020 International Conference on Microwave and Millimeter Wave Technology, Shanghai, 20-23 Sep. 2020, Paper No.: 9386418.
  97. S. Gao, N.-W. Liu, G. Fu, and L. Zhu, “Bandwidth-enhancement of dielectric resonant antenna with loading of rectangular patches,” Proceedings of 2020 13th UK-Europe-China Workshop on Millimetre-Waves and Terahertz Technologies (UCMMT), Tianjin, 29 Aug. – 1 Sep. 2020, Article number 9296043.
  98. Y.-D. Liang, N.-W. Liu, G. Fu, and L. Zhu, “A low-profile wideband dual-polarized microstrip patch antenna under multi-resonant modes,” Proceedings of 2020 IEEE Asia-Pacific Conference on Antennas and Propagation, Xiamen, 4-7 Aug. 2020, Article number 9246009.
  99. B. Li, W. Zhang, and L. Zhu, “3-D frequency selective surfaces based on slotlines: modeling, synthesis, and validation,” Proceedings of 2019 Photonics & Electromagnetics Research Symposium – Fall (PIERS – Fall), Xiamen, 17-20 Dec. 2019, pp. 525-532.
  100. Z.-X. Liu and L. Zhu, “Radiation pattern reshaping of high-order TM12 mode and its application in dual-band design,” Proceedings of 2019 Asia-Pacific Microwave Conference, Singapore, 10-13 Dec. 2019, pp. 180-182.
  101. L.-L. Qiu, L. Zhu, and Y.-P. Lyu, “Generalized topology and synthesis design of balanced wideband phase shifters with common-mode suppression,” Proceedings of 2019 Asia-Pacific Microwave Conference, Singapore, 10-13 Dec. 2019, pp. 198-200.
  102. J.-F. Lin and L. Zhu, “Coupling impedance/admittance of characteristic modes of two coupled antennas: extraction and verification,” Proceedings of 2019 Asia-Pacific Microwave Conference, Singapore, 10-13 Dec. 2019, pp. 255-257.
  103. N.-W. Liu and L. Zhu, “Low-profile dual-band patch antenna with improved bandwidth and beamwidth by using multiresonant modes,” Proceedings of 2019 Asia-Pacific Microwave Conference, Singapore, 10-13 Dec. 2019, pp. 536-538.
  104. P.-F. Zhang, L. Zhu, and S. Sun, “Study of microstrip slotted EH2-mode leaky wave antenna from circuit perspective,” Proceedings of 2019 Asia-Pacific Microwave Conference, Singapore, 10-13 Dec. 2019, pp. 1277-1279.
  105. H. Li, B. Li, and L. Zhu, “An ultra-wideband bandpass frequency selective structure based on hybrid multimode resonators,” Proceedings of 2019 Asia-Pacific Microwave Conference, Singapore, 10-13 Dec. 2019, pp. 393-395.
  106. J. Xie, B. Li, L. Zhu, and W.-J. Lu, “Dual-band linear-to-circular polarizer based on aperture-coupled resonators,” Proceedings of 2019 Asia-Pacific Microwave Conference, Singapore, 10-13 Dec. 2019, pp. 1122-1124.
  107. S.-W. Wong, J.-Y. Lin, and L. Zhu, “Recently developed multiple state diplexer,” Proceedings of 2019 Asia-Pacific Microwave Conference, Singapore, 10-13 Dec. 2019, pp. 1029-1031.
  108. M.-J. Sun, N.-W. Liu, G. Fu, and L. Zhu, “A wideband microstrip patch antenna with dual square open-loop resonators,” Proceedings of 2019 International Symposium on Antennas and Propagation, Xi’An, Oct. 27-30, 2019, Paper ID: 8963395.
  109. Z.-C. Guo, S.-W. Wong, and L. Zhu, “A triple-band rectangular cavity bandpass filter via excitation of U-shaped slots,” Proceedings of 2019 Computing, Communications and IoT Applications (ComComAp), Shenzhen, Oct. 26-28, 2019, Paper ID: 1570571360.
  110. M.-J. Sun, N.-W. Liu, and L. Zhu, “A low-profile microstrip patch antenna with enhanced-bandwidth by employing the slot and feeding network,” Proceedings of 2019 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition, Qingdao, Sep. 2019, Paper ID: 8887947.
  111. X.-T. Yuan, C.-Z. Lu, X. Zhang, L. Zhu, G.-L. Huang, T. Yuan, and W. Zou, “Phase effect of orthogonal modes on 3-dB axial-ratio beamwidth of circularly-polarized patch antennas,”  Proceedings of  2019 Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC), Taiyuan, Jul. 18-21, 2019, Paper ID: 8799321.
  112. L. Yang, L. Zhu, R. Gomez-Garcia, R. Zhang, and K.-W. Tam, “Synthesis design of modified wideband balun bandpass filter with compact structure,” Proceedings of 2019 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications, Jul. 2019, Germany, pp.49-51.
  113. J.-Y. Lin, S.-W. Wong, Y. Yang, L. Zhu, “Cavity balanced-to-unbalanced magic-T with filtering response,” 2019 IEEE MTT-S International Microwave Symposium Digest, Boston, Jun. 4-6, 2019, pp.444-447.
  114. K.-D. Hong, C. Zhang, X. Zhang, L. Zhu, G.-L. Huang, and T. Yuan, “Slot loading effect on the impedance and radiation performance of the TM03-mode high-gain square patch antenna,”  Proceedings of 2019 IEEE MTT-S International Microwave Biomedical Conference (IMBioC), Nanjing, 6-8 May, 2019, Paper ID: 8777749.
  115. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Design of ultra-wideband, multi-wideband, and multi-function phase shifters based on multiple resonant technology,” Proceedings of 2019 IEEE MTT-S International Wireless Symposium, Guangzhou, May 19-22, 2019, Paper ID: 8803894.
  116. W. Zhang, J. Xie, B. Li, and L. Zhu, “Synthesis of second-order bandpass frequency selective structure using planar slotline inverters,” Proceedings of 2019 IEEE MTT-S International Wireless Symposium, Guangzhou, May 19-22, 2019, Paper ID: 8803846.
  117. X. Wang, W.-W. Choi, J. Wang, L. Zhu, and W. Wu, “Wideband out-of-phase filtering power divider with ultra-wide isolation band,” Proceedings of 2019 IEEE MTT-S International Wireless Symposium, Guangzhou, May 19-22, 2019, Paper ID: 8803975.
  118. Z.-C. Guo, S.-W. Wong, and L. Zhu, “A waveguide bandpass filter with high selectivity using slot excitation,” Proceedings of 2019 International Conference on Microwave and Millimeter Wave Technology, Guangzhou, May 19-22, 2019, Paper ID: 8992904.
  119. X. Zhang and L. Zhu, “Low-profile patch antennas with loading of shorting pins for improved functionalities,” Proceedings of 2019 International Conference on Microwave and Millimeter Wave Technology, Guangzhou, May 19-22, 2019, Paper ID: 8992312.
  120. Z.-X. Liu, L. Zhu, X. Zhang, and N.-W. Liu, “A low-profile stacked CP patch antenna with high gain and enhanced axial-ratio bandwidth,” Proceedings of 2019 International Conference on Microwave and Millimeter Wave Technology, Guangzhou, May 19-22, 2019, Paper ID: 8992082.
  121. J. Guo, S. Wong, Z. Xie, L. Zhang, L. Zhu, and Y. He, “Highly-selective dual-band bandpass filter with extremely wide tuning range for passbands,” Proceedings of 2019 International Conference on Microwave and Millimeter Wave Technology, Guangzhou, May 19-22, 2019, Paper ID: 8992553.
  122. X. Guo, L. Zhu, and W. Wu, “Wideband balanced bandpass filters with intrinsic CM suppression via slotline MMR,” Proceedings of 2019 International Conference on Microwave and Millimeter Wave Technology, Guangzhou, May 19-22, 2019, Paper ID: 8992328.
  123. R.-S. Chen, S.-W. Wong, G.-W. Chen, X.-M. Hu, J.-Y. Lin, L. Zhu, and Y. He, “New concept of multi-state diplexers implemented on planar and cavity circuits,” Proceedings of 2019 International Conference on Microwave and Millimeter Wave Technology, Guangzhou, May 19-22, 2019, Paper ID: 8992307.
  124. J.-H. Guo, S. Wong, Z. Xie, L. Zhang, L. Zhu, and Y. He, “A compact planar diplexer using common dual-mode rectangular patch resonators,” Proceedings of 2019 International Conference on Microwave and Millimeter Wave Technology, Guangzhou, May 19-22, 2019, Paper ID: 8992553.
  125. R. Liao, S.-W. Wong, F. Chen, L. Zhang, L. Zhu, and Y. He, “A low-profile bandpass frequency selective surface with highly selective response,” Proceedings of 2019 International Conference on Microwave and Millimeter Wave Technology, Guangzhou, May 19-22, 2019, Paper ID: 8992202.
  126. Q. Yao, J.-D. Zhang, W. Wu, and L. Zhu, “A dual-band and dual-circularly-polarized array antenna with a single element,” Proceedings of 2018 IEEE 4th International Conference on Computer and Communications (ICCC), Chengdu, 7-10 Dec., 2018, pp. 1062-1066.
  127. D. Xie and L. Zhu, “Microstrip leaky-wave antennas with longitudinally uniform and non-uniform periodical loadings of shorting pins,” Proceedings of 2018 Asia-Pacific Microwave Conference (APMC), Kyoto, 6-9 Nov. 2018, Page No. #1570460471.
  128. W. Zhang, B. Li, L. Zhu, Y. Han, and Y.-P. Lyu, “Novel 3D bandpass frequency selective structures based on stacked planar slotlines: modelling, design and validation,” Proceedings of 2018 Asia-Pacific Microwave Conference (APMC), Kyoto, 6-9 Nov. 2018, Page No. #1570459612.
  129. Y.-P. Lyu, L. Zhu and C. Cheng, “Generalized topology and design method for a new class of wideband phase shifters based on multimode resonators,” Proceedings of 2018 Asia-Pacific Microwave Conference (APMC), Kyoto, 6-9 Nov. 2018, Page No. #1570459554.
  130. Y. Han, L. Zhu, B. Li, Y Chang, and L. Xu, “Proposal and design of dual-polarized frequency selective absorbers with passband and notched-band,” Proceedings of 2018 Asia-Pacific Microwave Conference (APMC), Kyoto, 6-9 Nov. 2018, Page No. #1570459547.
  131. Y. Li, D. Xie, and L. Zhu, “Numerical de-embedding of periodic guided-wave structures via SOC/SOL in FEM algorithm,” (Honorable Mention Award) in Proceedings of 2018 International Applied Computational Electromagnetics Society (ACES) Symposium, Beijing, Jul. 29- Aug. 1, 2018, Paper No. ME-4-3.
  132. D. Xie and L. Zhu, “EH0-mode microstrip leaky-wave antennas with periodical loading of shorting pins,” (Best Student Paper Award) in Proceedings of 2018 Cross Strait Quad-Regional Radio Wireless Conference (CSQRWC2018), Xuzhou, 21-24 Jul., 2018, Finalists of CSQRWC2018 Student Paper Competition (Poster).
  133. B. Li, Y. Zhang, and L. Zhu, “3D frequency selective rasorber based on 2D slotline structures,” in Proceedings of 2018 Cross Strait Quad-Regional Radio Wireless Conference (CSQRWC2018), Xuzhou, 21-24 Jul., 2018, Paper No.: MO-OP.5A.9.
  134. N.-W. Liu, L. Zhu, and G. Fu, “Low-profile multi-mode wideband patch antennas,” in Proceedings of 2018 Cross Strait Quad-Regional Radio Wireless Conference (CSQRWC2018), Xuzhou, 21-24 Jul., 2018, Paper No.: MO-OP.4P.16.
  135. D. Xie and L. Zhu, “Microstrip leaky-wave antennas (MLWA) with periodical loading of shorting pins,” (Best Student Paper Award) in Proceedings of 2018 International Conference on Microwave and Millimeter Wave Technology, Chengdu, May 6-10, 2018, Paper No.: TAC-P5.
  136. Z.-J. Yang, L. Zhu, and S.-Q. Xiao, “An implantable circularly polarized patch antenna for pacemaker monitoring system,” in Proceedings of 2018 International Conference on Microwave and Millimeter Wave Technology, Chengdu, May 6-10, 2018, Paper No.: WP1F-8.
  137. S. Wang, L. Zhu, J. Wang, and W. Wu, “Low-loss transformer oil for application in frequency-reconfigurable LP/CP patch antennas,” in Proceedings of 2018 International Conference on Microwave and Millimeter Wave Technology, Chengdu, May 6-10, 2018, Paper No.: WP2E-8.
  138. Y. Tang, Y. Bo, L. Zhu, M. Zhang, Y. Chang, and Y. Han, “Team progress algorithm and its applications,” in Proceedings of 2018 International Conference on Microwave and Millimeter Wave Technology, Chengdu, May 6-10, 2018, Paper No.: WA1P-P11.
  139. Y. Tang, L. Zhu, B. Li, Y. Bo, and L. Xu, “Broadband band-stop waveguide filters with T-shape diaphragm,” in Proceedings of 2018 International Conference on Microwave and Millimeter Wave Technology, Chengdu, May 6-10, 2018, Paper No.: TP5P-P6.
  140. B. Li, L. Zhu, Y. Tang, Y. Chang, Y. Han, and Y. Lyu, “Wideband frequency selective structures based on stacked microstrip / slot lines,” in Proceedings of 2018 International Conference on Microwave and Millimeter Wave Technology, Chengdu, May 6-10, 2018, Paper No.: TA2K-3.
  141. L. Yang, L. Zhu, W.-W. Choi, and K.-W. Tam, “Novel microstrip-to-microstrip vertical transition designed with slotline stepped-impedance resonator,” in Proceedings of 2018 International Conference on Microwave and Millimeter Wave Technology, Chengdu, May 6-10, 2018, Paper No.: TA1K-2.
  142. N.-W. Liu and L. Zhu, “Wideband patch antennas with low profile under multi-mode resonance,” (invited) in Proceedings of 2018 International Conference on Microwave and Millimeter Wave Technology, Chengdu, May 6-10, 2018, Paper No.: MP2E-1.
  143. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Ultra-wideband (UWB) phase shifter on multimode resonator: concept, theory, and design,” in Proceedings of 2018 IEEE MTT-S International Wireless Symposium, Chengdu, May 6-10, 2018, Paper No.: TA2P-P1.
  144. L.-P. Feng and L. Zhu, “Wideband balun filter on multi-mode resonator with good performance in magnitude and phase,” in Proceedings of 2018 IEEE MTT-S International Wireless Symposium, Chengdu, May 6-10, 2018, Paper No.: MP1J-7.
  145. H. Jiang, S. Sun, and L. Zhu, “Phase constant of SIW revisited with numerical SOC technique in FDTD algorithm,” in Proceedings of 2017 IEEE 5th International Symposium on Electromagnetic Compatibility, Being, Oct. 2017, Paper No.: 8260409.
  146. Y.-M. Wu, S.-Y. Zhou, J.-Y. Lin, L. W. Zhou, S.-W. Wong, L. Zhu, and Q.-X. Chu, “Design of wideband bandpass filter using quadruple-mode rectangular cavity resonator,” in Proceedings of 2017 Sixth Asia-Pacific Conference on Antennas and Propagation (APCAP), Xi’an, Oct. 2017, Paper No.: 8420607
  147. N.-W. Liu, L. Zhu, and W.-W. Choi, “Low-profile wide-bandwidth patch antenna under operation of TM0,1/2 and TM2,1/2 modes,” (Best Student Paper Award) in Proceedings of 2017 Cross Strait Quad-Regional Radio Wireless Conference (CSQRWC2017), Chenzhou, Hunan, 21-24 Jul., 2017, Paper No.: CSQRWC-2017-34.
  148. Y.-P. Lyu, L. Zhu, and C.-H. Cheng, “Wideband phase shifters on multimode resonator,” in Proceedings of 2017 Cross Strait Quad-Regional Radio Wireless Conference (CSQRWC2017), Chenzhou, Hunan, 21-24 Jul., 2017, Paper No.: CSQRWC-2017-37.
  149. D. Xie and L. Zhu, “Numerical de-embedding of propagation characteristics of EH1-mode microstrip line with periodical loading of shorting pins,” (invited) in Proceedings of 2017 International Applied Computational Electromagnetics Society (ACES) Symposium, Suzhou, 1-4 Aug., 2017, Paper No.: WE3-D2.
  150. J.-y. Lin, S. W. Wong and L. Zhu, “High-isolation diplexer on triple-mode cavity filters,” in Proceedings of 2017 IEEE MTT-S International Microwave Symposium, Honolulu, 4-9 Jun., 2017, Paper No.: WEIF1-5.
  151. X. Zhang and L. Zhu, “Pin-loaded circularly-polarized patch antenna with enhanced gain,” in Proceedings of 10th Global Symposium on Millimeter-Waves, Hong Kong, 24-26 May, 2017, pp.58-60.
  152. X. Jing, L. J. Jiang, S. Sun, and L. Zhu, “A patch-resonator-based butler matrix with new triangular phase shifters,” in Proceedings of 2016 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Fajardo, 26 Jun. – 1 Jul., 2016, pp.61-62.
  153. Z. Liu, G. Xiao, and L. Zhu, “A novel method to design triple-mode SIW filter based on the complementary split ring resonators (CSRRs),” in Proceedings of 2016 IEEE MTT-S International Microwave Symposium, San Francisco, 22-27 May, 2016, Paper No.: WEIF2-20.
  154. X. Guo, L. Zhu, and W. Wu, “Research on slotline stub-loaded resonator and hybrid stub-loaded resonator for differential wideband filters,” (Best Student Paper Award) 2016 IEEE International Workshop on Electromagnetics (iWEM), 16-18 May, 2016, Paper No.: MO1H_21.
  155. L. Li, J. Zhang, W.-j. Lu, W.-h. Zhang, and L. Zhu, “Dual-mode Planar End-fire Circularly Polarized Antenna,” (1 of 22 Shortlisted Papers for Student Paper Contest) 2016 IEEE International Workshop on Electromagnetics (iWEM), Nanjing, 16-18 May, 2016, Paper No.: MO1H_5.
  156. Z. Liu, L. Zhu, and G. B. Xiao, “Propagation Characteristics of Corrugated Substrate Integrated Waveguide with No Metallic Vias,” (Invited) 2016 IEEE International Workshop on Electromagnetics (iWEM), Nanjing, 16-18 May, 2016, Paper No.: TU3A_1.
  157. Z.-S. Zhang, Y. Chen, C.-R. Guo, W.-J. Lu, and L. Zhu, “Conceptual design of a circularly polarized non-uniform square loop antenna,” 2016 IEEE International Workshop on Electromagnetics (iWEM), Nanjing, 16-18 May, 2016, Paper No.: TU4C_1.
  158. L. Zhu, Q. Wu and S.-W. Wong, “Numerical SOC/SOL calibration technique for de-embedding of periodic guided-wave structures,” (Shortlisted for Best Paper) 2016 IEEE International Conference on Computational Electromagnetics (ICCEM), Guangzhou, 23-25 Feb., 2016, pp. 325-327.
  159. S. F. Feng, S.-W. Wong, F. Deng, L. Zhu and Q. X. Chu, “Triple-mode wideband bandpass filter using single rectangular waveguide cavity,” 2016 IEEE International Conference on Computational Electromagnetics (ICCEM), Guangzhou, 23-25 Feb., 2016, pp.117-119.
  160. L. Zhu, S. Sun and J. Gao, “Numerical short-open calibration (SOC) technique for de-embedding of periodic planar transmission line structures: effective propagation constant and characteristic impedance,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 620_2_0.
  161. L. Zhu and S. Zhang, “Fully canonical bandpass filter with planar quarter-wavelength stepped impedance resonators,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 60_1_0.
  162. X. Zhang and L. Zhu, “An impedance-agile microstrip patch antenna loaded with a shorting pin,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 342_2_0.
  163. Q.-S. Wu and L. Zhu, “Numerical short-open-load (SOL) de-embedding of effective wave impedances of substrate integrated waveguide with square or circular vias,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 50_3_0.
  164. X. Guo, L. Zhu and W. Wu, “A novel design method of wideband differential bandpass filters on the multimode slotline resonator,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 386_3_0.
  165. D. Chen, W. Zhu, H. Bu, L. Zhu and C. Cheng, “A dual-band bandpass filter using a transversal-interference multimode resonator,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 175_5_0.
  166. G.-H. Sun, S.-W. Wong, Q.-K. Huang, L. Zhu and Q.-X. Chu, “A novel wideband grid array antenna with vertical radiation elements,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 38_3_0.
  167. L. Yang, L. Zhu, W.-W. Choi and K.-W. Tam, “Wideband vertical microstrip-to-microstrip transition designed with cross-coupled microstrip/slotline resonators,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 387_4_0.
  168. S.-W. Wong, S.-F. Feng and L. Zhu, “Multi-mode wideband bandpass filters using waveguide cavities,” 2015 Asia-Pacific Microwave Conference (APMC), Dec. 2015, Paper No.: 1072_1_0.
  169. L. Zhu, Y. Luo and Q.-X. Chu, “Studies on planar circularly polarized antennas with wide axial ratio beamwidth” (轴比宽波束圆极化平面天线的研究(特邀报告)), Proceedings of 2015 CIE National Conference on Antennas, Paper No. 670, Nanchang, China, 18-21 Oct. 2015.
  170. X. Zhang and L. Zhu, “An impedance-agile microstrip patch antenna with loading of a shorting pin,” (基于短路针加载的阻抗可调的微带贴片天线), Proceedings of 2015 CIE National Conference on Antennas, Paper No. 6172, Nanchang, China, 18-21 Oct. 2015
  171. X. Guo, W. Wu and L. Zhu, “A wideband vertical microstrip-to-microstrip transition on two dual-mode slotline resonators,” Proceedings of 45th European Microwave Conference (EuMC), Sep. 2015, pp.363-366.
  172. S. Sun and L. Zhu, “Full-wave modeling and characterization of guided-wave and periodic structures,” (Invited) IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Suzhou, Jul. 2015, TA4-4.
  173. Z. Liu, L. Zhu, Q. S. Wu and G. B. Xiao, “A short-open calibration (SOC) technique to calculate the propagation characteristics of substrate integrated waveguide,” IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Suzhou, Jul. 2015, FP3-1.
  174. W. Zhu, D. Chen, H. Bu, L. Zhu and C. Cheng, “Wideband slotline-ring-resonator bandpass filters under triple resonances,” IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP), Suzhou, Jul. 2015, POSTER-39.
  175. Z. Liu, L. Zhu, Q. S. Wu and X. B. Gao, “A short-open calibration (SOC) technique to de-embed the complex propagation constant of SIW,” in Proceedings of IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Vancouver, Jul. 2015, pp.1482-1483.
  176. Y. Luo, Q.-X. Chu and L. Zhu, “A novel planar circularly-polarized antenna using stepped-width cross-dipole,” in Proceedings of IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, Vancouver, Jul. 2015, 1924-1925.
  177. Q. Wu and L. Zhu, “Numerical extraction of propagation constant and characteristic impedance of substrate integrated waveguide (SIW),” (介质集成波导的传播常数和特性阻抗的数值提取), Proceedings of 2015 National Conference on Microwave and Millimeter Waves, Paper No. 196, Hefei, 30 May – 2 June 2015.
  178. L. Yang, L. Zhu, W.-W. Choi and K.-W. Tam, “Wideband Vertical Microstrip-to-Microstrip Transition Through the Highpass-Filter Topology,” (基于高通滤波器模型设计的宽带垂直微带线-微带线过渡器), Proceedings of 2015 National Conference on Microwave and Millimeter Waves, Paper No. 166, Hefei, 30 May – 2 June 2015.
  179. K. Wang, Z.-C. Guo, S.-W. Wong, Z.-H. Chen, L. Zhu, R.-S. Chen and Q.-X. Chu, “Novel SIW bandpass filters using loaded posts for application in 5.8GHz WLAN System,” in Proceedings of 2015 International Wireless Symposium, Shenzhen, DOI: 10.1109/IEEE-IWS.2015.7164523.
  180. L. Zhu and S. Sun, “A review on numerical calibration and de-embedding techniques in fullwave algorithms”, in Proceedings of IEEE International Conference on Computational Electromagnetics, Feb. 2015, pp.150-152.
  181. S. Sun and L. Zhu, “Mode perturbations of a ring resonator for wideband and multiband filters,” in 2014 URSI General Assembly and Scientific Symposium, Aug. 2014, Paper No. 6929371. (URSI Young Scientists Award)
  182. S. Zhang and L. Zhu, “Compact quadruplet bandpass filter on λ/4 resonators,” in Proceedings of 2014 International Wireless Symposium, Xi’an, China, Paper No. 6864175.
  183. D. Chen, L. Zhu and C. Cheng, “Wideband microstrip-line 3-dB power divider under triple-mode resonance,” in Proceedings of 2014 International Wireless Symposium, Xi’an, China, Paper No. 6864207.
  184. X. Huang, Q. Feng, L. Zhu, Q. Xiang, “Triple-mode dual-band bandpass filter on microstrip-to-CPW structure,” in Proceedings of 2014 International Wireless Symposium, Xi’an, China, Paper No. 6864193.
  185. X. Huang, Q. Feng, L. Zhu, and Q. Xiang, “A constant absolute bandwidth tunable filter using varactor-loaded open-loop resonators,” in Proceedings of 2013 Asia-Pacific Microwave Conference, Nov. 2013, pp.872-874.
  186. S. Zhang and L. Zhu, “Compact microstrip dual-band bandpass filter with quarter-wavelength stepped impedance resonators,” (Awarded as the Second Place in Student Paper Competition, of 11 finalists), Proceedings of 2013 IEEE MTT-S International Wireless Symposium (IWS), April 2013, Beijing, China.
  187. R. Zhang, L. Zhu and S. Luo, “Design methodology of a class of triple-mode bandpass filters using a patch-loaded cross resonator,” in Proceedings 2013 IEEE MTT-S International Wireless Symposium (IWS), April 2013, Beijing, China.
  188. S. Zhang and L. Zhu, “Triple-mode bandpass filters on stub-loaded resonator with novel I/O coupling scheme,” in Proceedings of 2012 Asia-Pacific Microwave Conference, Kaohsiung, December 2012, pp.532-534.
  189. S. Zhang and L. Zhu, “General synthesis method for symmetrical even-order Chebyshev bandpass filter,” in Proceedings of 2012 Asia-Pacific Microwave Conference, Kaohsiung, December 2012, pp.667-669.
  190. R. Zhang, L. Zhu and S. Luo, “Compact dual-band microstrip bandpass filters using composite cross and open/short-circuited E-shaped resonators,” in Proceedings of 2012 Asia-Pacific Microwave Conference, Kaohsiung, December 2012, pp.664-666.
  191. R. Zhang and L. Zhu, “A new triple-mode microstrip bandpass filter using a patch-loaded cross resonator,”  in Proceedings of 2012 IEEE MTT-S International Microwave Symposium, Jun 2012, art. no. 6258267.
  192. R. Zhang, L. Zhu and S. Luo, “Characterization of a slotted circular patch resonator for adjustable dual-mode dual-band bandpass filters,” in Proceedings of 2012 IEEE MTT-S International Microwave Symposium, Jun 2012, art. no. 6258268.
  193. S. Luo, L. Zhu and S. Sun, “New studies on microstrip ring resonators for compact dual-mode dual- and triple-band bandpass filters (Invited)”, in 2011 IEEE Electrical Design of Advanced Packaging & Systems Symposium (EDAPS), Hangzhou, Dec 2011, Paper No.: TS-14-3-13.
  194. R. Li, S. Sun and L. Zhu, “Short-circuited series stub for application in uniplanar low-pass filters,” in 2010 Asia-Pacific Microwave Conference Proceedings, Yokohama, December 2010, pp.1154-1157.
  195. S. Luo, L. Zhu and S. Sun, “Coupled microstrip-line bandpass filters with wide upper stopband and high frequency selectivity  ” in Proceedings of 2010 International Conference on Communications, Circuits and Systems, Chengdu, July 28-30, 2010, pp.692-695.
  196. S. Luo, L. Zhu and S. Sun, “A dual-mode dual-band bandpass filter using a single ring resonator,” (Shortlisted for APMC’09 Student Paper Prize) in 2009 Asia-Pacific Microwave Conference Proceedings, Singapore, December 2009, pp.921-924.
  197. S. W. Wong, L. Zhu, L. C. Quek and Z. N. Chen, “A stopband-enhanced UWB bandpass filter using short-/open-stubs embedded ring resonator,” in 2009 Asia-Pacific Microwave Conference Proceedings, Singapore, December 2009, pp.913-916.
  198. S. Sun, R. Li, L. Zhu and W. Menzel, “Studies on synthesis design of ultra-wideband parallel-coupled line bandpass filters with Chebyshev responses,” (Shortlisted for APMC’09 Prize) in 2009 Asia-Pacific Microwave Conference Proceedings, Singapore, December 2009, pp.155-158.
  199. T. B. Lim and L. Zhu, “Differential-mode wideband bandpass filter with three transmission zeros under common-mode operation,” (Shortlisted for APMC’09 Prize) in 2009 Asia-Pacific Microwave Conference Proceedings, Singapore, December 2009, pp.159-162.
  200. S. Sun and L. Zhu, “Improved formulas for synthesizing multiple-mode-resonator-based UWB bandpass filters,” in Proceedings of 39th European Microwave Conference, Rome, October 2009, pp.299-302.
  201. S. Sun and L. Zhu, “Wideband microstrip ring resonator bandpass filter with asymmetrically-loaded stubs,” (Shortlisted for APMC’08 Prize) in 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, December 2008, pp.329-332.
  202. S. Luo, L. Zhu and S. Sun, “Compact Chebyshev-function low-pass filters with stepped-impedance hairpin unit,” (Shortlisted for APMC’08 Prize) in 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, December 2008, pp.321-324.
  203. S. W. Wong and L. Zhu, “Ultra-wideband power dividers with good isolation and sharp roll-off skirt,” in 2008 Asia-Pacific Microwave Conference Proceedings, Hong Kong, December 2008, pp.2272-2275.
  204. T. B. Lim and L. Zhu, “Compact microstrip-to-CPS transition for UWB application,” in Proceedings of 2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF & Microwave Passive Components, Chengdu, December 2008, pp.153-156.
  205. S. W. Wong and L. Zhu, “Miniaturization of triple-mode UWB bandpass filetrs with extended upper-stopband,” in Proceedings of 2008 IEEE MTT-S International Microwave Workshop Series on Art of Miniaturizing RF & Microwave Passive Components, Chengdu, December 2008, pp.102-105.
  206. L. Zhu, “Effective 1-D material properties of coplanar-waveguide-based EBG- and meta-materials,” (Invited Speaker) in Proceedings of 2008 International Workshop on Metamaterials, Nanjing, November 2008, Paper No. 03-3.
  207. S. Sun and L. Zhu, “Wideband microstrip bandpass filters with asymmetrically-loaded interdigital coupled lines,” in 2008 International Conference on Microwave and Millimeter Wave Technology Proceedings, Nanjing, March 2008, art. no. 4540287, pp. 10-13.
  208. R. Li and L. Zhu, “Compact UWB bandpass filter on hybrid microstrip/slotline structure with improved out-of-band performances,” in 2008 International Conference on Microwave and Millimeter Wave Technology Proceedings, Nanjing, March 2008, art. no. 4540286, pp. 6-9.
  209. S. W. Wong, L. Zhu and S. Sun, “Ultra-wideband microstrip-line bandpass filters with good out-of-band performance using EBG-embedded multiple-mode resonator,” in 2007 Asia-Pacific Microwave Conference (APMC’07), Bangkok, December 2007, art. no. 4554766.
  210. S. W. Wong and L. Zhu, “Ultra-wideband (UWB) microstrip bandpass filters with improved upper-stopband and miniaturized size,” in 2007 Asia-Pacific Microwave Conference (APMC’07), Bangkok, December 2007, art. no. 4555158.
  211. S. Sun and L. Zhu, “Short-open calibration technique for field theory-based parametric extraction of planar discontinuities with nonuniform feed lines,” in 2007 IEEE MTT-S International Microwave Symposium Digest, USA, June 2007, pp. 273-276.
  212. S. W. Wong and L. Zhu, “EBG-embedded UWB bandpass filter with widened upper-stopband,” in Proceedings of 2006 International Symposium on Antennas and Propagation, November 1-4, 2006, Singapore, Paper code: a313_r298.
  213. L. Zhu, “Periodically loaded transmission line media/materials with infinite extent on coplanar waveguide: guided-wave performances,” (Invited Speaker), in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC’06), Yokohama, December 2006, Vol. 1, pp.363-370.
  214. J. Gao and L. Zhu, “Guided-wave characteristics of coplanar waveguide metamaterials composed of unsymmetrical unit cells,” in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC’06), Yokohama, December 2006, Vol. 2, pp.1083-1086.
  215. H. Wang, L. Zhu, W. Menzel and Z. N. Chen, “Ultra-wideband (UWB) bandpass filters using hybrid microstrip/CPW structures,” in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC’06), Yokohama, December 2006, Vol. 2, pp.1216-1219.
  216. J.Gao and L. Zhu, “Analysis and Optimization of Ultra-wideband bandpass filters on coplanar waveguide,” in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC’06), Yokohama, December 2006, Vol. 1, pp.25-28.
  217. S. W. Wong, S. Sun, L. Zhu, Z. N. Chen, “Ultra-wideband (UWB) bandpass filters with improved upper-stopband performance,” in Proceedings of 2006 Asia-Pacific Microwave Conference (APMC’06), Yokohama, December 2006, Vol. 1, pp.29-32.
  218. S. Sun, L. Zhu and K. S. Ang, “Multisection vialess baluns with coupled-line impedance transformers,” in 2006 IEEE MTT-S International Microwave Symposium Digest, USA, June 2006, pp.1149-1152.
  219. H. Wang and L. Zhu, “Aperture-backed microstrip line multiple-mode resonator for design of a novel UWB bandpass filter,” in Proceedings of 2005 Asia-Pacific Microwave Conference, Suzhou, China, December 2005, vol. 4, pp. 2276-2279.
  220. S. Sun and L. Zhu, “Novel design of dual-band microstrip bandpass filters with good in-between isolation,” in Proceedings of 2005 Asia-Pacific Microwave Conference, Suzhou, China, December 2005, vol. 2, pp. 729-732.
  221. J. Gao and L. Zhu, “Per-unit-length parameters of 1-D CPW metamaterials with simultaneously series-C and shunt-L loading,” (Invited Paper) in Proceedings of 2005 Asia-Pacific Microwave Conference, Suzhou, China, December 2005, vol. 1, pp. 39-42.
  222. W. Menzel, M. S. R. Tito and L. Zhu, “Low-loss ultra-wideband (UWB) filters using suspended stripline,” in Proceedings of 2005 Asia-Pacific Microwave Conference, Suzhou, China, December 2005, vol. 4, pp. 2148-2151.
  223. S. Sun and L. Zhu, “Coupling dispersion of parallel-coupled microstrip lines with controllable fractional pass bandwidths,” in 2005 IEEE MTT-S International Microwave Symposium Digest, USA, June 2005, pp.2195-2198.
  224. H. Wang and L. Zhu, “Microstrip Bandpass filters with ultra-broad rejection band using stepped impedance resonator and high-impedance transformer,”  in 2005 IEEE MTT-S International Microwave Symposium Digest, USA, June 2005, pp.683-686.
  225. R. Fu and L. Zhu, “Printed U-shaped slot antennas fed by CPW via inductive coupling,” in Proceedings of IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, Singapore, March 7-9, 2005, pp.303-306.
  226. J. Gao and L. Zhu, “Guided-wave characteristics of CPW transmission line metamaterials: effective per-unit-length parameters,” in Proceedings of IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, Singapore, March 7-9, 2005, pp.175-178.
  227. S. Sun and L. Zhu, “Periodic finite-ground microstrip line with high-impedance offset sections: enhanced electromagnetic Bandgap,” in Proceedings of IEEE International Workshop on Antenna Technology: Small Antennas and Novel Metamaterials, Singapore, March 7-9, 2005, pp.383-386.
  228. S. Sun and L. Zhu, “Guided-wave characteristics of periodically nonuniform coupled microstrip lines for harmonic suppression in filter design,” in Proceedings of 2004 International Symposium on Antennas and Propagation, Sendai, Japan, August, 2004, pp.469-472.
  229. K. R. Singh and L. Zhu, “A novel waveguide based metamaterials,” in Proceedings of 2004 International Symposium on Antennas and Propagation, Sendai, Japan, August, 2004, pp.449-452.
  230. L. Zhu, H. Shi and T. Yakabe, “Characterization of periodic CPW structures with inductive loading using cascaded transmission line network: guided-wave propagation,” in Proceedings of 2003 Asia-Pacific Microwave Conference, Seoul, Korea, November 2003, pp.1458-1461.
  231. K. R. Singh and L. Zhu, “Equivalent circuit model of planar strips in layered waveguide for synthesis design of printed periodic waveguide structures,” in Proceedings of 2003 Asia-Pacific Microwave Conference, Seoul, Korea, November 2003, pp.471-474.
  232. L. Zhu, “Bandgap transmission characteristics of finite-periodic coplanar waveguide,” in Proceeding of 2003 Progress in Electromagnetic Research Symposium, Singapore, January 2003, pp.75.
  233. K. R. Singh and L. Zhu, “Multimode network equivalence of waveguide discontinuities using full-wave method of moments for spatial power combining system,” Proceedings of 2003 Progress in Electromagnetic Research Symposium, Singapore, January 2003, pp. 72.
  234. L. Zhu, “Slow-wave and bandgap transmission characteristics of finite-periodic coplanar waveguide,” in Proceedings of 2002 Asia-Pacific Microwave Conference, Kyoto, Japan, November 2002, pp.1153-1156.
  235. L. Zhu and W. Menzel, “Stub-tapped line resonator for innovative design of compact microstrip bandpass filter with double transmission zeros,” in Proceedings of 2002 Asia-Pacific Microwave Conference, Kyoto, Japan, November 2002, pp.775-778.
  236. L. Zhu, “A generalized short-open calibration technique for accurate de-embedding microstrip integrated circuits from fullwave MoM simulation,” (Invited Paper) in Proceedings of 4th Asia-Pacific Engineering Research Forum on Microwaves and Electromagnetic Theory, Fukuoka, Japan, November, 2002, pp. 173-180.
  237. L. Zhu, W. Menzel, K. Wu and F. Boegelsack, “Theoretical characterization and experimental verification of a novel compact broadband microstrip bandpass filter,” in Proceedings of 2001 Asia-Pacific Microwave Conference, Taipei, Taiwan, December 2001, pp. 625-628.
  238. W. Menzel, L. Zhu, K. Wu and F. Boegelsack, “Compact broadband planar filters,” in Proceedings of 31st European Microwave Conference, London, UK, September 2001, pp. 41-44.
  239. L. Zhu, H. Bu and K. Wu, “Aperture compensation and multipole generation techniques leading to the emergence of a new planar filter,” in 2000 Asia-Pacific Microwave Conference Proceedings, December 2000, pp.1310-1314.
  240. L. Zhu, H. Bu, K. Wu and M. S. Leong, “Miniaturized multi-pole broad-band microstrip bandpass filter: Concept and Verification,” in Proceedings of 30th European Microwave Conference, Vol.3, Paris, October 2000, pp.334-337.
  241. L. Zhu, H. Bu, K. Wu and M. Stubbs, “Unified CAD model of microstrip line with backside aperture for multilayer integrated circuits,” in 2000 IEEE MTT-S International Microwave Symposium Digest, USA, June 2000, pp. 981-984.
  242. L. Zhu, H. Bu and K. Wu, “Aperture compensation technique for innovative design of ultra-broadband microstrip bandpass filter,” in 2000 IEEE MTT-S International Microwave Symposium Digest, USA, June 2000, pp. 315-318.
  243. K. Wu and L. Zhu, “Accurate parameter extraction and joint field/circuit model of uniplanar and multi-layer microwave and millimeter wave monolithic and hybrid integrated circuits and antennas,” (invited paper) in 1999 Asia-Pacific Microwave Conference Proceedings, Singapore, November & December 1999, pp.107-111.
  244. L. Zhu and K. Wu, “Model-based characterization of finite-periodic finite-ground coplanar waveguides,” in 1999 Asia-Pacific Microwave Conference Proceedings, Singapore, November/December 1999, pp. 112-115.
  245. L. Zhu and K. Wu, “Multilayered coupled-microstrip lines technique with aperture compensation for innovative planar filter design,” in 1999 Asia-Pacific Microwave Conference Proceedings, Singapore, November & December 1999, pp. 303-306.
  246. L. Zhu and K. Wu, “Numerical de-embedding procedure and unified circuit model for planar integrated circuits,” (invited paper), Session 9: Global Circuit Modelling for Millimeter-Wave Circuits and Devices, Terahertz and Gigahertz Photonics, in Proceedings of SPIE-The International Society for Optical Engineering, Vol. 3795, USA, July 1999, pp. 400-411.
  247. K. Wu and L. Zhu, “Unified accurate CAD models for RF, microwave and millimeter-wave integrated circuits,” (invited paper), in Proceedings of 4th International Conference On Telecommunications in Modern Satellite, Cable and Broadcasting Services (Telsiks’99), Yugoslavia, October 1999, pp. 6 –13.
  248. K. Wu, R. Chen, L. Zhu and E. K. Yung, “Hybrid scheme paradigm of efficient numerical modeling and accurate parameter extraction for complex microwave and millimeter-wave integrated circuits and structures,” Workshop M-MoW2: Hybrid Numerical Modelling of Electromagnetic Fields, in Proceeding of 29th European Microwave Conference, Germany, October 1999.
  249. L. Zhu and K. Wu, “Short-open calibration (SOC) technique for unified circuit representation of microstrip-fed slot antennas,” in Proceedings of 29th European Microwave Conference, Vol. III, pp.59-62, Munich, October 1999.
  250. L. Zhu and K. Wu, “Unified circuit model of finite-ground CPW inductive series-connected elements for innovative design of uniplanar M(H)MICs”, in Proceedings of 29th European Microwave Conference, Vol. III, Munich, October 1999, pp. 59-62.
  251. L. Zhu and K. Wu, “Hybrid FGCPW/CPS scheme in the building block design of low-cost uniplanar and multilayer circuit and antenna,” in 1999 IEEE MTT-S International Microwave Symposium Digest, Anaheim, June 1999, pp. 867-870.
  252. L. Zhu and K. Wu, “Unified CAD-oriented circuit model of finite-ground coplanar waveguide gap structure for uniplanar M(H)MICs”, in 1999 IEEE MTT-S International Microwave Symposium Digest, Anaheim, June 1999, pp. 39-42.
  253. L. Zhu and K. Wu, “Circuit model and input impedance of feeding structures for coplanar stripline (CPS) printed dipole antenna,” in Proceedings of 1998 Asia-Pacific Microwave Conference, Japan, December 1998, pp.1397-1400.
  254. L. Zhu and K. Wu, “Loss reduction techniques and layout design consideration for planar integrated RF feeds”, in Proceedings of Symposium on Antenna Technology and Applied Electromagnetics (ANTEM 98), Canada, August 1998, pp.455-458.
  255. L. Zhu and K. Wu, “A general-purpose circuit model of interdigital capacitor for accurate design of low-loss microstrip circuit”, in 1998 IEEE MTT-S International Microwave Symposium Digest, Baltimore, June 1998, pp.1755-1758.
  256. L. Zhu and K. Wu, “A joint field/circuit design model of microstrip ring dual-mode filter: theory and experiments,” (Awarded as one of two Asia-Pacific Microwave Prizes) in Proceedings of 1997 Asia-Pacific Microwave Conference, Hong Kong, December 1997, pp. 865-868.
  257. L. Zhu and K. Wu, “Field theoretical-based design and optimisation of compact multiple gap coupled microstrip filter with loaded stub”, in Proceedings of 1997 Asia-Pacific Microwave Conference, Hong Kong, December 1997, pp. 869-872.
  258. L. Zhu and K. Wu, “Open-short calibration (SOC) technique in the MOM for circuit representation of microstrip discontinuities,” in Proceedings of 1997 Progress in Electromagnetic Research Symposium, USA, July 1997, pp. 62.
  259. L. Zhu and K. Wu, “Accurate CAD-oriented circuit models for interdigital capacitors based on 3D MOM technique,” in Proceedings of 1997 Progress in Electromagnetic Research Symposium, USA, July 1997, pp. 63.
  260. L. Zhu and K. Wu, “Line-to-ring coupling circuit model and its parametric effects for optimised design of microstrip ring circuits and antennas”, in 1997 IEEE MTT-S International Microwave Symposium Digest, USA, June 1997, pp.289-292.
  261. L. Zhu, E. Yamashita and I. Joishi, “Spectral domain analysis of circularly polarized rectangular patch antennas with a dielectric superstrate”, in 1996 IEEE AP-S International Symposium Digest, Baltimore, July 1996, pp. 408-411.
  262. L. Zhu, I. Joishi and E. Yamashita, “Characterization of microstrip patch antennas suspended by a dielectric superstrate with high permittivity”, in 1996 IEEE AP-S International Symposium Digest, pp.704-707, Baltimore, July 1996.
  263. L. Zhu, E. Yamashita and I. Joishi, “Generalized modeling of microstrip-fed patch antennas using an equivalent delta voltage source backed by a perfect electric wall”, in 1996 IEEE AP-S International Symposium Digest, pp.1082-1085, Baltimore, July 1996.
  264. L. Zhu, I. Joishi and E. Yamashita, “Theoretical and experimental studies on the microstrip-fed inverted patch antenna with linear or circular polarization”, in 1996 IEEE AP-S International Symposium Digest, Baltimore, July 1996, pp.1556-1559.
  265. L. Zhu, H. Kirino and I. Joishi, “Radiation characteristics of circularly polarized patch antennas mounted in a 2.45 GHz wireless ID card system”, in 1996 IEEE AP-S International Symposium Digest, Baltimore, July 1996, pp.1556-1559.
  266. L. Zhu, I. Joishi and E. Yamashita, “Input impedance of linearly and circularly polarized patch antennas with a dielectric superstrate”, (in Japanese), in Proceedings of 1995 IEICE Spring Conference, Japan, March 1995.
  267. L. Zhu, E. Yamashita and I. Joishi, “Complex resonant frequency of CPW-fed slot antennas”, in Digest of 19th International Conference on Infrared and Millimeter Waves, Japan, October 1994, pp. 439-440.
  268. L. Zhu, E. Yamashita, H. Kirino and I. Joishi, “Complex resonant frequency of the degenerate modes in a patch antenna with a dielectric superstrate”, (in Japanese), in Proceedings of 1994 IEICE Fall Conference, No. B-101, Japan, September 1994.
  269. L. Zhu, E. Yamashita and I. Joishi, “Radiation losses at microstrip discontinuities”, (in Japanese), in Proceedings of 1994 IEICE Fall Conference, No. C-6, Japan, September 1994.
  270. L. Zhu and E. Yamashita, “Analysis method for microstrip line power dividers with arbitrary circuit pattern”, in 1992 IEEE MTT-S International Microwave Symposium Digest, New Mexico, June 1992, pp. 933-936.
  271. W. Zhang and L. Zhu, “Analysis of groove NRD waveguide using eigen-weighted BIEM”, in Proceedings of International Conference on Millimeter Wave and Far-Infrared Technology, China, June 1989.
  272.  L. Xiao, L. Zhu and W. Zhang, “The coupling properties of GNRD waveguides with application to the directional couplers”, in Proceedings of 2nd Asia-Pacific Microwave Conference, China, October 1988, pp.1466-1467.
  273. L. Zhu and W. Zhang, “Analysis of GNRD leaky-wave antenna using an equivalent network method”, (in Chinese), in Proceedings of CIE National Symposium on MMW/Sub-MMW, China, September 1988, pp.24-25.
  274. L. Zhu, L. Xiao and W. Zhang, “Characteristics of coupled GNRD waveguides”, (in Chinese), in Proceedings of CIE National Symposium on MMW/Sub-MMW, China, September 1988, pp.75-78.
  275. W. Zhang and L. Zhu, “The eigen-weighted BIEM for solving Groove nonradiative dielectric waveguide”, in Proceedings of CIE National Symposium on MMW/Sub-MMW, China, September 1988, pp.46-50.
  276. L. Zhu and W. Zhang, “The eigen-weighted BIEM for solving arbitrary cross-section waveguides”, in 1988 IEEE AP-S International Symposium Digest, June 1988, pp.589-592.
  277. L. Zhu and W. Zhang, “Approximate analysis of groove NRD leaky-wave antenna”, (in Chinese), in Proceedings of 1987 CIE A-S National Conference on Antennas, No. 4-B(2), China, November 1987.
  278. L. Zhu and W. Zhang, “Dispersion of groove nonradiative dielectric waveguide”, (in Chinese), in Proceedings of 1987 CIE/CIC National Conference on Microwaves, China, September 1987, pp. 360-370.

Professional Affiliations

  • Member (1993-2000), Senior Member (2001-2011) and Fellow (2012 – Present):  Institute of Electrical and Electronics Engineering (IEEE)

Contact Details

Faculty of Science and Technology
University of Macau, E11
Avenida da Universidade, Taipa,
Macau, China

Room: E11-3042
Telephone: (853) 8822-4479
Fax: (853) 8822-2426
Email: LeiZhu630