首页 | 本学科首页   官方微博 | 高级检索  
     检索      

基于超材料吸波体的低雷达散射截面微带天线设计
引用本文:杨欢欢,曹祥玉,高军,刘涛,马嘉俊,姚旭,李文强.基于超材料吸波体的低雷达散射截面微带天线设计[J].物理学报,2013,62(6):64103-064103.
作者姓名:杨欢欢  曹祥玉  高军  刘涛  马嘉俊  姚旭  李文强
作者单位:空军工程大学信息与导航学院, 西安 710077
基金项目:国家自然科学基金(批准号: 60671001, 61271100)、陕西省自然科学基础研究重点项目 (批准号: 2010JZ010)和陕西省自然科学基础研究项目(批准号: SJ08-ZT06, 2012JM8003)资助的课题.
摘    要:设计了一种高吸波率、宽入射角、无表面损耗层的超材料吸波体, 并将其用于微带天线的带内雷达散射截面(radar cross section, RCS)减缩.实验结果表明: 设计的吸波体的厚度为0.3 mm, 吸波率达99.9%, 相比普通微带天线, 加载该吸波体后的天线在工作频带内法向RCS减缩都在3 dB以上, 最大减缩16.7 dB, 单站RCS在-30°–+30° 角域、双站RCS在-90°–+90°角域减缩超过3 dB, 且天线辐射性能保持不变. 证实了该吸波体具有良好的吸波效果, 可以应用于微带天线的带内隐身. 关键词: 超材料吸波体 微带天线 雷达散射截面

关 键 词:超材料吸波体  微带天线  雷达散射截面
收稿时间:2012-07-19

Design of low-radar cross section microstrip antenna based on metamaterial absorber
Yang Huan-Huan,Cao Xiang-Yu,Gao Jun,Liu Tao,Ma Jia-Jun,Yao Xu,Li Wen-Qiang.Design of low-radar cross section microstrip antenna based on metamaterial absorber[J].Acta Physica Sinica,2013,62(6):64103-064103.
Authors:Yang Huan-Huan  Cao Xiang-Yu  Gao Jun  Liu Tao  Ma Jia-Jun  Yao Xu  Li Wen-Qiang
Institution:Information and Navigation Institute of Air Force Engineering University, Xi’an 710077, China
Abstract: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° to +30° and -90° to +90° 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.
Keywords:metamaterial absorber  microstrip antenna  radar cross section
点击此处可从《物理学报》浏览原始摘要信息
点击此处可从《物理学报》下载免费的PDF全文
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号