APPROXIMATION MODEL WITH MOVING WINDOW IN PSEUDO-RANGE KINEMATICAL GPS POSITIONING
Li Bofeng 1) ;Shen Yunzhong 1,2) ; and Zhou Zebo 1)
1)Dept. of Surveying and Geoinformatics, Tongji University, Shanghai 2000922)Key Lab. of Advanced Surveying Engineering of SBSM, Shanghai 200092
Abstract On the basis of the motion law in pseudorange kinematic GPS positioning,three approximation models are discussed and a new approximation model named linear variation of distance among epochs is firstly proposed. The new model is tested and compared with the other two models by use of realtime GPS observations. The result indicates that the model of linear variation of distance is more reasonable than that of linear variation of coordinates, and the approximation model of quadratic curve is the most available for pseudorange kinematic positioning.
Key words ：
GPS
approximation model
kinematic positioning
pseudo-range difference
coordinate modification
Received: 01 January 1900
Corresponding Authors:
Li Bofeng
Cite this article:
Li Bofeng ,Shen Yunzhong,and Zhou Zebo . APPROXIMATION MODEL WITH MOVING WINDOW IN PSEUDO-RANGE KINEMATICAL GPS POSITIONING[J]. , 2007, 27(4): 62-66.
Li Bofeng ,Shen Yunzhong,and Zhou Zebo . APPROXIMATION MODEL WITH MOVING WINDOW IN PSEUDO-RANGE KINEMATICAL GPS POSITIONING[J]. jgg, 2007, 27(4): 62-66.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2007/V27/I4/62
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