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Attitude observers aided by implicit measurements of the Earth angular velocity Conference paper
Proceedings of the IEEE Conference on Decision and Control
Authors:  Reis,Joel;  Silvestre,Carlos;  Batista,Pedro;  Oliveira,Paulo
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Optimal Recursive Backstepping for Nonlinear Systems in a Strict-Feedback Form with Continuous and Intermittent Updates Conference paper
Proceedings of the IEEE Conference on Decision and Control
Authors:  Yang,Yongliang;  Modares,Hamidreza;  Vamvoudakis,Kyriakos G.;  Xu,Cheng Zhong
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backstepping design  HJB equation  optimality  
Optimal Recursive Backstepping for Nonlinear Systems in a Strict-Feedback Form with Continuous and Intermittent Updates Conference paper
Proceedings of the IEEE Conference on Decision and Control
Authors:  Yang,Yongliang;  Modares,Hamidreza;  Vamvoudakis,Kyriakos G.;  Xu,Cheng Zhong
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backstepping design  HJB equation  optimality  
Differentially-Fed Circular Patch Antenna under Dual High-order Modes for Enhanced Bandwidth and Stable High Gain Conference paper
Asia-Pacific Microwave Conference Proceedings, APMC
Authors:  Li,Guo Xiong;  Zhang,Xiao;  Hong,Kai Dong;  Zhu,Lei;  Yuan,Tao
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High-gain patch antenna  high-order modes  shorting loading  slot loading  stable radiation  
An Integration Perspective for Power Divider and Phase Shifter with Performance Enhancement : (Invited Paper) Conference paper
Asia-Pacific Microwave Conference Proceedings, APMC
Authors:  Lyu,Yun Peng;  Zhu,Lei;  Cheng,Chong Hu
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Integration approach  performance enhancement  phase shifter  power divider  size reduction  
A Modal Method to Enhance AR Bandwidth: Exemplified by A CP Crossed Dipole Antenna Conference paper
Asia-Pacific Microwave Conference Proceedings, APMC
Authors:  Lin,Jiang Feng;  Zhu,Lei
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axial-ratio (AR) bandwidth  characteristic modes theory (CMT)  dipoles  polarization  resonant frequency (ResF)  
A Single-Stage Delay-Tuned Active Rectifier for Constant-Current Constant-Voltage Wireless Charging Conference paper
Proceedings of 2020 IEEE Asia Pacific Conference on Circuits and Systems, APCCAS 2020
Authors:  Bai,Xianglong;  Mao,Fangyu;  Lu,Yan;  Zhan,Chenchang;  Martins,Rui P.
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active rectifier  constant current  constant voltage  current sensing  Li-ion battery charging  single-stage wireless charging  
Single-Layer Low-Profile Patch Antennas with Improved CP Performance by Using Multiresonant Modes (Invited Paper) Conference paper
Asia-Pacific Microwave Conference Proceedings, APMC
Authors:  Liu,Neng Wu;  Zhu,Lei
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circularly-polarized  Microstrip patch antenna  multiresonant modes  sequential rotated EMCs  
3-D Printed Metallic CP Antenna with Dual-Cavity Structure and Enhanced Axial Ratio Bandwidth Conference paper
Asia-Pacific Microwave Conference Proceedings, APMC
Authors:  Wang,Shiyan;  Ge,Wenting;  Zhang,Gang;  Li,Yin;  Wong,Sai Wai;  Zhu,Lei
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AR bandwidth  dual-cavity structure  grooved open-ended waveguide  metallic CP antenna  SLM  
Design of Reflectarray/Radome Using Novel Circular Polarization Selective Surface Conference paper
Asia-Pacific Microwave Conference Proceedings, APMC
Authors:  Wu,Wenjie;  Li,Bo;  Zhu,Lei
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Circular polarization (CP)  Circular polarization selective surface (CPSS)  Reflectarray