Beam-scanning circularly polarized antenna array based on Liquid Crystal

被引:0
|
作者
Li, Xiaoshuai [1 ]
Cao, Weiping [1 ]
Li, Simin [1 ]
机构
[1] Guilin Univ Elect Technol, Sch Informat & Commun, Guilin, Peoples R China
关键词
beam-steering; liquid crystal; phase shifter; four-port power dividers; circular polarization; YAGI;
D O I
10.1109/IWS52775.2021.9499361
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
A circularly polarized(CP) antenna array with the capability of beam-scanning based on liquid crystal(LC) is proposed. TUD-649 LC is adopted to realize beam steering by controlling the permittivity of LC. Circular polarization is obtained using two orthogonal slots. The radiation array is fed by four-port power dividers. The peak gain of the antenna is 10.5 dBi. The scanning angles from -20 degrees to 20 degrees are achieved at 12.6GHz.
引用
收藏
页数:3
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