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一种伪距相位综合广域差分改正值的求解方法B
Authors
张益泽
曹月玲
杨赛男
陈俊平
Publication date
1 January 2015
Publisher
Abstract
本发明提供一种伪距相位综合广域差分改正值的获取方法,包括:1,根据逐历元的伪距观测值解算卫星等效钟差改正初值;2,利用相邻历元间的相位差分数据解算卫星等效钟差改正值的变化量;3,采用最小二乘法,根据逐历元的卫星等效钟差改正初值和相邻历元间的卫星等效钟差改正值的变化量解算卫星等效钟差改正值;4,根据逐历元的伪距观测值解算逐个历元的卫星轨道改正初值;5,根据相邻历元间的相位差分数据解算卫星轨道改正值的变化量;6,采用最小二乘法,根据逐历元的卫星轨道改正初值和相邻历元间的卫星轨道改正值的变化量解算卫星轨道改正值。本发明可以获得高精度的卫星等效钟差改正值和卫星轨道改正值,从而提高GNSS的定位精度
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Shanghai Astronomical Observatory,Chinese Academy of Sciences
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Last time updated on 20/01/2020