GPS卫星预报星历的适用性  

The Applicability of GPS Forecasting Ephemeris

作　　者：汤均博[1] 

机构地区：[1]淮海工学院,江苏连云港222001

出　　处：《四川测绘》2006年第4期166-167,165,共3页Surveying and Mapping of Sichuan

摘　　要：GPS预报星历常用来预报未来一段时间内GPS卫星的分布情况。本文通过定量分析卫星预报星历的精度,对应用预报星历预报卫星的几何分布精度因子的可行性进行了探讨,提出应用预报星历对GPS测量进行优化设计的思想。The GPS Forecasting ephemeris is usually used to predict GPS satellite distribution.In this paper,based on analyzing the precision of forecasting ephemeris quantificationally,the feasibility of applying the forecasting ephemeris to predict the DOP was researched,and the view of GPS optimization design on GPS ephemeris was put forward.

关 键 词：GPS 预报星历 几何精度因子 适用性 

分 类 号：P228.4[天文地球—大地测量学与测量工程]