Metasurface cavity antenna for broadband high-gain circularly polarized radiation

被引：6
|
作者：
Swain, Rajanikanta [1 ]
Mishra, Rabindra Kishore [1 ]
机构：
[1] Berhampur Univ, Dept Elect Sci & Technol, Bhanja Bihar, Odisha, India
来源：
INTERNATIONAL JOURNAL OF RF AND MICROWAVE COMPUTER-AIDED ENGINEERING | 2019年 / 29卷 / 03期
关键词：
cavity antenna; circular polarization; metasurface; reflection phase; PEROT RESONATOR ANTENNA; LOW-RCS;
D O I：
10.1002/mmce.21609
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The article presents a microstrip patch (MSA) fed high gain circularly polarized metasurface cavity (CP-MSC) antenna using a planar progressively-phased-reflector and a transmissive linear to circular polarization conversion metascreen. The bottom metasurface reflector consists of a remodeled Jerusalem cross to obtain 2 reflection phase variation. Linear to circular polarization conversion is achieved by a hexagonal ring based meta-element with high transmission and bellow 3 dB axial ratio from 9.5 to 10.5GHz. Simulated and measured results of assembled CP-MSC antenna with MSA are in good agreement. The gain of the proposed cavity antenna with 10 and 10.5GHz MSA are 14.9 and 16.3dBi, respectively. Below 3 dB AR throughout the operating band denotes significant circular polarization performance of the proposed antenna.
引用
收藏
页数：8
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