APPLICATION OF 2D VONDRAK FILTERING IN HEIGHT ANOMALY FITTING
Wu Yunyun 1,2) ;Zhu Jianjun 1,2) ; and Zuo Tingying 1,2)
1)Department of Survey Engineering and Geomatics,Central South University,Changsha 410083;2)Key Laboratory of Precise Engineering Surveying and Deformation Hazard Monitoring, Universities of Hunan Province, Changsha 410083
Abstract The 2D Vondrak filter combined with the multisurface function was used in the height anomaly fitting.The experimental result shows that it is a practicable method in the height anomaly fitting.Compared with the multisurface function fitting method,the accuracy have been greatly improved to 76.4% at most.The standard error has decreased up to 54.72%.
Key words ：
2D Vondrak filter
height anomaly
multisurface function
least squares
mean square error
Received: 01 January 1900
Corresponding Authors:
Wu Yunyun
Cite this article:
Wu Yunyun,Zhu Jianjun,and Zuo Tingying. APPLICATION OF 2D VONDRAK FILTERING IN HEIGHT ANOMALY FITTING [J]. , 2011, 31(6): 132-135.
Wu Yunyun,Zhu Jianjun,and Zuo Tingying. APPLICATION OF 2D VONDRAK FILTERING IN HEIGHT ANOMALY FITTING [J]. jgg, 2011, 31(6): 132-135.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2011/V31/I6/132
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