Design of phased array antennas with beam switching capability in the near-field focus applications

被引：31
|
作者：
Chou, Hsi-Tseng [1 ,2 ]
Yu, Chien-Te [2 ,3 ]
机构：
[1] Natl Taiwan Univ, Grad Inst Commun Engn, Taipei 10617, Taiwan
[2] Yuan Ze Univ, Dept Commun Engn, Taoyuan 32003, Taiwan
[3] Natl Chung Shan Inst Sci & Technol, Elect Syst Res Div, Taoyuan, Taiwan
来源：
IET MICROWAVES ANTENNAS & PROPAGATION | 2015年 / 9卷 / 11期
关键词：
MICROSTRIP ARRAY; BUTLER MATRIX; PATTERNS; SYSTEM; ZONE;
D O I：
10.1049/iet-map.2015.0034
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This study presents the design methodology of a phased array antenna whose radiation will focus in the near zone of array aperture by using microstrip feeding circuits. A beam-forming network based on Butler matrix is also implemented to scan the radiation beam along a target area in the near zone, which may improve the energy efficiency and reduce the multipath interferences. The design approach, numerical simulation and experimental measurement over an antenna prototype in the applications of radio-frequency identification are presented to validate the feasibility.
引用
收藏
页码：1120 / 1127
页数：8
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