Circularly Polarized Wide-Angle Beam Scanning Circular Array Antenna

被引：1
|
作者：
Ji, Lu-Yang [1 ]
Li, Meng-Jie [1 ]
Yang, Rui [1 ]
Han, Guo-Dong [2 ]
机构：
[1] Northwestern Polytech Univ, Sch Elect & Informat, Xian, Peoples R China
[2] China Elect Technol Grp Corp, Res Inst 54, Shijiazhuang, Hebei, Peoples R China
来源：
2022 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP) | 2022年
基金：
中国博士后科学基金;
关键词：
circular polarization; wide-beamwidth; wide-angle scanning; circular array;
D O I：
10.1109/ISAP53582.2022.9998805
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：
In this paper, a left-handed circularly polarized wide-beamwidth array element is proposed with an overlapped impedance and 3-dB axial ratio bandwidth from 1.9GHz to 2.2GHz. It consists of a circular microstrip patch with rectangular notched structure as the main radiator, a circular parasitic patch and a metal ring to broaden the impedance and 3-dB axial ratio bandwidth, and four metal posts to improve the beamwidth. A 12-element circular array is formed by using the aforementioned element, which can realize a wide beam scanning range from -72 degrees to +72 degrees in the elevation plane.
引用
收藏
页码：361 / 362
页数：2
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