利用GPS信号测定海拔高的多普勒消除技术Doppler reduction technique for determining the orthometric height using GPS signals
申文斌,冯瑮,王泽民,晁定波
摘要(Abstract):
基于重力频移方程,可通过两个接收机接收GPS卫星信号确定频移观测量,由此可确定任意两点之间的重力位差,进而确定它们之间的高程差。在频移测量中,经典多普勒效应是最主要的干扰源。本文阐述了影响频移测量的各种误差源,特别研究了用于消除多普勒效应影响的一种方法,称为多普勒消除法,利用这种方法可以使频移测量的精度大幅度提高。
关键词(KeyWords): 多普勒消除法;重力频移法;高程测量
基金项目(Foundation): 国家863项目(编号:2006AA12Z211)
作者(Author): 申文斌,冯瑮,王泽民,晁定波
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