An orbital angular momentum vortex wave antenna with low in-band radar cross section and reduced divergence angle

被引:1
|
作者
Li, Xin-hong [1 ]
机构
[1] Yichun Univ, Sch Math & Comp Sci, Yichun 336000, Peoples R China
关键词
complementary split-ring resonators; divergence angle; orbital angular momentum; radar cross section; slot antenna; PATCH ANTENNA; OAM;
D O I
10.1002/mmce.23063
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
In this article, an orbital angular momentum (OAM) vortex wave antenna with low radar cross section (RCS) and reduced divergence angle is proposed. The antenna is composed of four slot-coupled elements working from 7.5 to 8.0 GHz and fed by a phase shift network. OAM vortex wave with l = 1 is generated. In order to reduce the RCS and divergence angle simultaneously, complementary split-ring resonators (CSRRs) are designed and integrated to the antenna. The CSRRs can stop the transmission of surface wave and reflect the incident energy with phase canceling scheme. As a result, the RCS and divergence angle is reduced simultaneously.
引用
收藏
页数:9
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