RCS Reduction of Ridged Waveguide Slot Antenna Array Using EBG Radar Absorbing Material

被引：156
|
作者：
Li, You-Quan [1 ]
Zhang, Hui [1 ]
Fu, Yun-Qi [1 ]
Yuan, Nai-Chang [1 ]
机构：
[1] Natl Univ Def Technol, Coll Elect Sci & Engn, Changsha 410073, Hunan, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2008年 / 7卷
关键词：
Electromagnetic band-gap (EBG); RAM; radar cross section (RCS); ridged waveguide slot antenna array;
D O I：
10.1109/LAWP.2008.2001548
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：
This letter investigates the application of EBG radar absorbing material (RAM) to asymmetric ridged waveguide slot antenna array to reduce its backward RCS. The EBG RAM is based on the mushroom-like EBG structure loaded with lumped resistances. A ridged waveguide slot antenna array with 4 x 10 slot elements was designed and built, part of the metal ground plane of the array is replaced with this EBG RAM. The measured results show that performance of the antenna array is preserved when EBG RAM is used. At working frequency the backward RCS of antenna array with EBG RAM has dramatically reduced than that of the common antenna array.
引用
收藏
页码：473 / 476
页数：4
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