RCS Reduction of Patch Array Antenna by Electromagnetic Band-Gap Structure

被引：96
|
作者：
Zhang, Jiejun [1 ,2 ]
Wang, Junhong [1 ,2 ]
Chen, Meie [1 ,2 ]
Zhang, Zhan [1 ,2 ]
机构：
[1] Beijing Jiaotong Univ, Minist Educ, Key Lab All Opt Network & Adv Telecommun Network, Beijing 100044, Peoples R China
[2] Beijing Jiaotong Univ, Inst Lightwave Technol, Beijing 100044, Peoples R China
来源：
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2012年 / 11卷
关键词：
Artificial magnetic conductor (AMC); electromagnetic band-gap (EBG); patch array antenna; radar cross section (RCS); FREQUENCY-SELECTIVE SURFACES; SLOT ANTENNA;
D O I：
10.1109/LAWP.2012.2215832
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：
In this letter, electromagnetic band-gap (EBG) structure is used to reduce the radar cross section (RCS) of the patch array antenna. The proposition of this method is based on the high impedance characteristic of the mushroom-like EBG structure. The basic patch array antenna is designed with a central frequency of 5.0 GHz while replacing the substrate of the array with the mushroom-like EBG structure. The frequency band in which RCS of the patch array antenna reduced significantly can be adjusted by parameters of the EBG. The backward RCS of the patch array antenna with EBG can be reduced as much as 10 dB compared to that of the conventional array antenna, and the degradation of the antenna performance is not significant.
引用
收藏
页码：1048 / 1051
页数：4
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