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一种“北斗”导航天线馈源的设计
邓智勇,杜彪,张文静,马煦
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(1.中华通信系统有限公司河北分公司,石家庄 050081;2.中国电子科技集团公司第五十四研究所,石家庄050081;北京卫星导航中心,北京100094)
摘要:
现有的馈源设计方法设计出的馈源工作频段少,不能满足“北斗”导航天线馈源的要求。为此,在对模式展开法和模式匹配法理论研究分析基础上,提出了优化双槽深波纹喇叭槽参数的设计思路。分析和试验结果表明,该“北斗”导航天线馈源增加了工作频段,具有良好的电气性能,满足了“北斗”天线系统的需求,验证了设计方法的有效性。
关键词:  “北斗”导航系统  天线馈源  多倍频程  双槽深  模式匹配
DOI:
基金项目:
Design of a Beidou navigation antenna feed
DENG Zhiyong,DU Biao,ZHANG Wenjing,MA Xu
(1.China Communications System Co., Ltd.Hebei Branch,Shijiazhuang 050081,China; 2.The 54th Research Institute of China Electronics Technology Group Corporation,Shijiazhuang 050081,China;Beijing Satellite Navigation Center,Beijing 100094,China)
Abstract:
The frequency band of feed designed by the current method is not enough to meet the requirements of the Beidou navigation antenna.To solve the problem,by employing the mode expansion and mode matching technique,an optimization design of the dual-slot corrugated horn is proposed.The theoretical analysis and test results show that the Beidou navigation antenna feed increases frequency band and has good electrical performance,which satisfies all the requirements of the Beidou navigation antenna system.The design has been verified by experiments.
Key words:  Beidou navigation system  antenna feed  octave bandwidth  dual-slot  mode matching
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