基于新型双频移相功分器的组合四臂螺旋天线

来源 :2013年全国天线年会 | 被引量 : 0次 | 上传用户:nightcatwu
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为了满足北斗卫星(CNSS)导航和通讯中对于天线宽波束、圆极化以及低仰角增益的要求,设计了新型双频移相的功分器馈电网络,减小了四臂螺旋天线(QHA)的馈电网络尺寸,实现了接收天线和发射天线的紧凑型组合.并且,在组合四臂螺旋天线中引入了开关状态切换,达到了利用单个馈电网络向两个不同频段的四臂螺旋天线馈电的设计目的.
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