METHODS FOR FITTING LOCAL QUASIGEOID AND THEIR APPLICABILITY ANALYSIS
Guo Chunxi;Nie Jianliang;Wang Bin ;and Jiang Guangwei
Geodetic Data Processing Center, State Bureau of Surveying and Mapping, Xi’an 710054
Abstract The character and applicability several fitting methods for refining local quasigeoid are systematically analyzed in some examples which have the different area, the terrain complexity, the diverse accuracy of GPS/leveling data and the various resolutions of gravity quasigeoid. Finally,those methods are applied successfully in three typical projects of refining quasigeoid, and the good effects are obtained.
Key words :
quasigeoid
spline
BP neural network
adaptive least square collocation
fitting
Received: 01 January 1900
Corresponding Authors:
Guo Chunxi
Cite this article:
Guo Chunxi,Nie Jianliang,Wang Bin et al. METHODS FOR FITTING LOCAL QUASIGEOID AND THEIR APPLICABILITY ANALYSIS[J]. , 2013, 33(1): 103-107.
Guo Chunxi,Nie Jianliang,Wang Bin et al. METHODS FOR FITTING LOCAL QUASIGEOID AND THEIR APPLICABILITY ANALYSIS[J]. jgg, 2013, 33(1): 103-107.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2013/V33/I1/103
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