PERFORMANCE COMPARISON OF GPS BROADCAST EPHEMERIS
PARAMETERS AND THEIR FITTING ALGORITHMS
1）School of Geosciences and Info-Physics，Central South University，Changsha 410083
Abstract Based on the comparation of two kinds of GPS broadcast ephemeris parameters and their fitting algorithms，the influence of some changed parameters on broadcast ephemeris fitting algorithms is analizesd. The calculated results with the method using the orbit interpolated by GPS precise ephemeris indicate that the method is feasible.
Key words ：
global positioning system
broadcast ephemeris
parameter
partial derivative
user range error
Received: 14 May 2013
Published: 23 January 2014
Cite this article:
Xiao Qinqin,Cui Xianqiang,Jia Xiaolin et al. PERFORMANCE COMPARISON OF GPS BROADCAST EPHEMERIS
PARAMETERS AND THEIR FITTING ALGORITHMS[J]. jgg, 2014, 34(1): 92-95.
Xiao Qinqin,Cui Xianqiang,Jia Xiaolin et al. PERFORMANCE COMPARISON OF GPS BROADCAST EPHEMERIS
PARAMETERS AND THEIR FITTING ALGORITHMS[J]. jgg, 2014, 34(1): 92-95.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2014/V34/I1/92
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