GIVENS TRANSFORMATION WITH WEIGHTED PARAMETERAND ITS APPLICATION IN NAVIGATION SATELLITE BROADCAST EPHEMERIS FITTING
Cui Xianqiang 1,2)
1)College of Geology Engineering and Geomatics, Chang’an University, Xi’an 7100542)Xi’an Research Institute of Surveying and Mapping, Xi’an 710054
Abstract The formula of Givens transformation with weighted parameter which is used to control the estimator range of the navigation satellite ephemeris parameters is deduced. The results show that Givens transformation with weighted parameter not only is steady in numerical computation and efficient in calculation but also can easily give the prior weight of the ephemeris parameters and expediently make the abnormal navigation satellite parameters back into the prescriptive range.
Key words :
Givens transformation
navigation satellite system
broadcast ephemeris
Global Positioning System(GPS)
parameter adjustment
Received: 01 January 1900
Corresponding Authors:
Cui Xianqiang
Cite this article:
Cui Xianqiang. GIVENS TRANSFORMATION WITH WEIGHTED PARAMETERAND ITS APPLICATION IN NAVIGATION SATELLITE BROADCAST EPHEMERIS FITTING[J]. , 2010, 30(第3期): 147-150.
Cui Xianqiang. GIVENS TRANSFORMATION WITH WEIGHTED PARAMETERAND ITS APPLICATION IN NAVIGATION SATELLITE BROADCAST EPHEMERIS FITTING[J]. jgg, 2010, 30(第3期): 147-150.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2010/V30/I第3期/147
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