Ultra-wideband RCS reduction of microstrip antenna array by optimised multi-element metasurface

被引：10
|
作者：
Kang, Xiaole [1 ]
Su, Jianxun [1 ]
Zhang, Hui [1 ]
Li, Zengrui [1 ]
Yang, Yaoqing [2 ]
机构：
[1] Commun Univ China, Sch Informat Engn, Beijing 100024, Peoples R China
[2] Univ Nebraska, Dept Elect & Comp Engn, Lincoln, NE 68182 USA
来源：
ELECTRONICS LETTERS | 2017年 / 53卷 / 08期
基金：
中国国家自然科学基金;
关键词：
radar cross-sections; radar antennas; microstrip antenna arrays; ultrawideband RCS reduction; microstrip antenna array; optimised multielement metasurface; MAA; ultrawideband radar cross-section reduction; radiation characteristics; size adjustment; multiple basic unit cells; electromagnetic waves; ultrawideband manipulation; hybrid optimisation algorithm; y-polarised normal incidence; x-polarised normal incidence; frequency; 6; 2 GHz to 27; 3; GHz;
D O I：
10.1049/el.2017.0260
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 microstrip antenna array (MAA) loading with metasurface is designed and fabricated for ultra-wideband radar cross-section (RCS) reduction while preserving its radiation characteristics. A new physical mechanism based on size adjustment of the multiple basic unit cells is proposed for ultra-wideband manipulation of electromagnetic waves. To obtain the excellent RCS performance, the selection of the basic unit cells is optimised by the hybrid optimisation algorithm. Both simulated and measured results indicate that the proposed MAA can reduce the RCS significantly in an ultra-wide frequency band from 6.2 to 27.3 GHz under x- and y-polarised normal incidence. The radiation characteristics of the MAA are well preserved simultaneously.
引用
收藏
页码：520 / 522
页数：2
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