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  • 张 厚,舒 楠,李圭源,等.频率选择表面在前门防护中的应用[J].电讯技术,2010,50(11): - .    [点击复制]
  • ZHANG Hou,SHU Nan,LI Gui-yuan,et al.Application of Frequency Selective Surface in Front door Protection[J].,2010,50(11): - .   [点击复制]
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频率选择表面在前门防护中的应用
张厚,舒楠,李圭源,殷雄
0
(空军工程大学 导弹学院,陕西 三原 713800)
摘要:
为了提高雷达天线的抗带外干扰能力,在传统耶路撒冷环孔的基础上,设计了一种 基于基片集成波导技术的新型带通频率选择表面(FSS)。仿真计算表明:将该新型FSS加载 到喇 叭天线上,不仅能够保证喇叭天线在通带内正常工作,而且可以有效抑制带外的一些干 扰信号,在6~10 GHz工作频带内的带外抑制度达到20 dB,具有良好的前门防护 效果。
关键词:  雷达天线  频率选择表面  前门防护  带外干扰  基片集成波导  传输系数
DOI:
基金项目:
Application of Frequency Selective Surface in Front door Protection
ZHANG Hou,SHU Nan,LI Gui-yuan,YIN Xiong
(The Missile Institute,Air Force Engineering University, Sanyuan 713800,China)
Abstract:
In order to improve the outband interference suppression performance of radar antenna,on the basis of the traditional Jerusalem loop aperture,a new bandpass frequency selective surface(FSS) is designed based on substrate integrated waveguide(SI W).The calculation results show that the horn antenna by covering the FSS at t he aperture can not only work well at passband,but also suppress the interfer ence signals at outband and the performance of antiinterference is improved 20 dB at 6~10 GHz,excellent front-door protection performance can be achiev ed.
Key words:  radar antenna  frequency selective surface(FSS)  front door protection  out-band interference  su bstrate integrated waveguide(SIW)  transmission coefficient
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