Design of low-radar cross section microstrip antenna based on metamaterial absorber

被引：19

作者：

Yang Huan-Huan ^{[1
]}

Cao Xiang-Yu ^{[1
]}

Gao Jun ^{[1
]}

Liu Tao ^{[1
]}

Ma Jia-Jun ^{[1
]}

Yao Xu ^{[1
]}

Li Wen-Qiang ^{[1
]}

机构：

[1] AF Engn Univ, Informat & Nav Inst, Xian 710077, Peoples R China

来源：

ACTA PHYSICA SINICA | 2013年 / 62卷 / 06期

基金：

中国国家自然科学基金;

关键词：

metamaterial absorber; microstrip antenna; radar cross section; POLARIZATION; BAND;

D O I：

10.7498/aps.62.064103

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A metamaterial absorber with high absorptivity, wide incident angle and no surface ullage layer is designed and applied to microstrip antenna to reduce its radar cross section (RCS). The results show that the absorber can exhibit an absorption of 99.9% with a thickness of 0.3 mm. Compared with the conventional microstrip antenna, the proposed antenna has an RCS reduction of more than 3 dB in the boresight direction in the working frequency band, and the largest reduction can reach 16.7 dB, the monostatic and bistatic RCS reduction are over 3 dB from -30 degrees to +30 degrees and -90 degrees to +90 degrees respectively, while the radiation performance is kept, which proves that the absorber has an excellent absorptivity and could be applied to microstrip antennas to achieve in-band stealth.

引用

页数：7

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