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卫星定位接收机用棒状单极子天线

Journal of Detection & Control(2012)

Cited 23|Views6
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Abstract
针对高转速条件下,GPS接收机由于天线相位中心不在旋转轴上,导致GPS接收机多普勒频率跳变而无法正常接收的问题,提出了采用消除高转速条件下GPS接收机多普勒频率跳变的单天线———棒状单极子天线。该天线特征是天线对称轴线与弹轴重合,容易使旋转中心与相位中心重合,在高旋转条件下,具有零相位中心特性。试验证明:安装棒状单极子天线的GPS接收机在高旋转条件下消除了多普勒频率跳变,能够正常定位。
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Key words
phase center,high spin rate,monopole antenna,GPS receiver,line polarity
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