A broadband Low RCS Antenna Based on Double-layer Perfect Metamaterial Absorber

被引：0
|
作者：
Li, Si Jia [1 ,2 ]
Cui, Tie Jun [1 ]
Cao, Xiang Yu [2 ]
Gao, Jun [2 ]
Zhang, Chen [2 ]
Guo, Ze Xu [2 ]
机构：
[1] Southeast Univ, State Key Lab Millimeter Waves, IEEE Conf Publishing, Nanjing 210096, Peoples R China
[2] Air Force Engn Univ, Informat & Nav Coll, 1 FengHao Rd, Xian 710077, Peoples R China
来源：
2019 INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION (ISAP 2019) | 2019年
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
D O I：
暂无
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 double-layers perfect metamaterial absorber (DLPMA) in the microwave frequencies is proposed to reduce the radar cross section (RCS) of the circularly polarized(CP) tilted beam antenna, and it exhibits a wider band by reducing the distance between the three absorption peaks. Absorbing characteristics are analyzed and the experimental results demonstrate that the proposed absorber works well from 5.95GHz to 6.86GHz (relative bandwidth 14.1%) with the thickness of 0.5mm The main part of PEC ground plane for the tilted beam antenna is covered by this DLPMA. As compared with the circularly polarization tilted beam antenna with a PEC ground plane, the simulation results reveal that the monostatic RCS of the antenna is reduced significantly, the axial ratio has an improvement, and the performance of antenna is preserved simultaneously from 5.5GHz to 7GHz.
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页数：3
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