IGS提供的精密星历描述了GPS卫星在地固系中的三维位置。
GPS satellite precise ephemerides provided by IGS describe there dimension position of GPS satellites in ITRF.
精密单点定位的实质就是利用精密星历和精密卫星钟改正来实现定位。
The model and possibility of real-time precise point positioning(PPP) are studied based on PANDA.
本文采用广义延拓法进行卫星精密星历插值、卫星精密钟差插值和GPS高程转换。
The thesis uses the generalized extended interpolation method in precise satellite ephemeris and clock bias interpolation and GPS height fits.
本文采用广义延拓法进行卫星精密星历插值、卫星精密钟差插值和GPS高程转换。
The thesis uses the generalized extended interpolation method in precise satellite ephemeris and clock bias interpolation and GPS height fits.
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