In-Band RCS Reduction of Waveguide Slot Array Using Metasurface Bars

被引：41

作者：

Zhao, Yi ^{[1
]}

Gao, Jun ^{[1
]}

Cao, Xiangyu ^{[1
]}

Liu, Tao ^{[1
]}

Xu, Liming ^{[2
]}

Liu, Xiao ^{[1
]}

Cong, Lili ^{[1
]}

机构：

[1] Air Force Engn Univ CPLA, Informat & Nav Inst, Xian 710077, Peoples R China

[2] Sci & Technol Elect Informat Control Lab, Chengdu 610036, Peoples R China

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2017年 / 65卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Asymmetrical ridged waveguide slot array (ARWSA); metasurface; radar cross section (RCS); CROSS-SECTION REDUCTION; ANTENNA; AMC;

D O I：

10.1109/TAP.2016.2633951

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 novel approach aimed at reducing the in-band radar cross section (RCS) of a waveguide slot array while maintaining its radiation performance is presented. Anisotropic metasurface is developed and applied to cover half of the antenna structure. The RCS reduction is based on the energy cancelation from the metasurface and the metal ground. Both simulated and measured results show that after loading the metasurface, the in-band RCS is sufficiently reduced for both copolarized and cross-polarized incident waves while the radiation performance is well retained. The proposed method is simple, low-cost, and easily fabricated, providing a new way for in-band RCS reduction of antenna array.

引用

页码：943 / 947

页数：5

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