Chessboard AMC Surface Based on Quasi-Fractal Structure for Wideband RCS Reduction

被引：53
|
作者：
Xue, Jingjing [1 ]
Jiang, Wen [1 ]
Gong, Shuxi [1 ]
机构：
[1] Xidian Univ, Natl Key Lab Antennas & Microwave Technol, Xian 710071, Shaanxi, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2018年 / 17卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Artificial magnetic conductor (AMC); quasi-fractal structure; radar cross-section (RCS) reduction; RADAR CROSS-SECTION; ANTENNA; DESIGN;
D O I：
10.1109/LAWP.2017.2780085
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 chessboard artificial magnetic conductor surface based on the quasi-fractal structure is proposed for wideband radar cross-section (RCS) reduction. The chessboard configuration is formed by two different cells with 180 degrees +/- 37 degrees phase difference over more than 90% frequency bandwidth. The quasi-fractal structure is utilized to achieve the wideband and compact characteristics. Monostatic and bistatic RCS of the proposed chessboard surface are analyzed, and the results are compared with those of equal-sized perfect electric conductor ground plane. Because the scattered fields of the chessboard surface are redirected toward four quadrants, a remarkable RCS reduction of 10 dB can be realized from 5.4 to 14.2 GHz. Measured results of the fabricated prototype satisfactorily agree with the simulated ones.
引用
收藏
页码：201 / 204
页数：4
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