上海大学学报(自然科学版) ›› 2012, Vol. 18 ›› Issue (5): 475-479.doi: 10.3969/j.issn.1007-2861.2012.05.007

• 通信与信息工程 • 上一篇    下一篇

宽带单层开孔式双波段双极化SAR天线的设计

孟子芮,钟顺时,孙竹,沈文辉   

  1. 上海大学 通信与信息工程学院,上海200072
  • 收稿日期:2011-11-09 出版日期:2012-10-30 发布日期:2012-10-30
  • 通讯作者: 钟顺时(1939~),男,教授,博士生导师,研究方向为电磁场与微波技术、现代天线理论与技术.E-mail:shshzhong@163.com E-mail:shshzhong@163.com
  • 基金资助:

    国家自然科学基金资助项目(60871030,61171031);国家高技术研究发展计划(863计划)资助项目(2007AA12Z125)

Design of Wideband Dual-Band Dual-Polarized Single-Layer Perforated SAR Antenna

MENG Zi-rui,ZHONG Shun-shi,SUN Zhu,SHEN Wen-hui   

  1. School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China
  • Received:2011-11-09 Online:2012-10-30 Published:2012-10-30

摘要: 提出一种新型共用口径L/C双波段双极化单层开孔式结构的合成孔径雷达(synthetic aperture radar,SAR)天线,这种新型结构旨在提高L/C双波段双极化共口径SAR天线中L波段的天线带宽.对天线进行仿真、加工和测试.测试结果表明,L波段的反射系数不大于-10 dB的相对带宽达到13.7%,C波段相对带宽达到17.0%.实验结果验证了新型结构的有效性.

关键词: 共口径, 合成孔径雷达, 宽带, 双波段, 双极化, 微带天线

Abstract: A novel L/C dual-band dual-polarized shared-aperture antenna with a single-layer perforated structure is proposed for synthetic aperture radar (SAR) applications. The aim is to broaden the impedance bandwidth in the lower L-band of the L/C shared-aperture SAR antenna. The antenna element has been simulated, fabricated and measured. The measurements show that the bandwidths, defined as reflection coefficient being less than or equal to -10 dB, is increased to 13.7% in the lower L-band, while that of the higher C-band reaches 17.0%. Experimental results have verified this design.

Key words: dual-band, dual-polarization, microstrip antenna, shared-aperture, synthetic aperture radar (SAR), wideband

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