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多路径效应
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多路径效应
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GNSS精密定位
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multipath effect
多路径效应
在全球导航卫星系统(GNSS)测量中,卫星信号被测站附近的反射物反射,导致形成的反射信号(反射波)部分进入接收机天线,与直接来自卫星的信号(直射波)发生干涉,从而使GNSS观测值偏离真实值,产生所谓的“多路径误差”现象。
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