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单馈点圆极化GPS微带天线

叶云裳,李全明,杨小勇   

  1. 北京空间飞行器总体设计部,北京空间飞行器总体设计部,北京空间飞行器总体设计部 北京100086 ,北京100086 ,北京100086
  • 发布日期:2002-04-25

GPS Circularly Polarized Microstrip Antenna With Single Feedpoint

Ye Yunshang Li Quanming Yang Xiaoyong (Beijing Institute of Spacecraft System Engineering,Beijing 100086)   

  • Published:2002-04-25

摘要: 在腔模理论基础上利用微扰方法分析与设计了单馈点圆极化微带贴片天线。通过对用于 GPS的单馈点圆极化微带贴片天线测试表明 ,结果与设计预估十分一致。天线除结构紧凑 ,易于微波集成外 ,还具有十分优良的圆对称半球波束、良好的广角圆极化和阻抗匹配特性 ,对 GPS应用来说是一种性能优良的天线。

关键词: 微带天线, 圆极化, 全球定位系统

Abstract: Based on cavity mode theory,GPS microstrip antenna with single feedpoint is analyzed and designed by using perturbation method.The test results show that the antenna can provide excellent circular hemisphere beam,better wide angle circular polarization and better impedance match.It's one kind of good GPS receiving antenna.