HEIGHT ANOMALY SURFACE SIMULATION BASEDON HIGH ACCURACY SURFACE MODEL
Chen Chuanfa 1) ; Yue Tianxiang 1) ; Zhang Zhaojie 2) ;and Du Zhengping 1)
1) Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing 1001012) Shandong Zhengyuan Geographic Information Engineering CO, LTD,Jinan 250014
Abstract The grid resolution of the height anomaly surface simulation based on High Accuracy Surface Modelling (HASM) has been computed in the error theory，thus we can avoid the complicated Taylor expansion and solve the location differences between sampling points and the central points of grid of the simulation surfaces. A certain area was employed to compare the simulation errors between HASM and the classical methods of height anomaly surface fitting. The results show that HASM is much more accurate than the classical methods.
Key words ：
High Accuracy Surface Modelling(HASM)
surface simulation
error analysis
interpolation
height anomaly
Received: 01 January 1900
Cite this article:
Chen Chuanfa ,Yue Tianxiang ,Zhang Zhaojie et al. HEIGHT ANOMALY SURFACE SIMULATION BASEDON HIGH ACCURACY SURFACE MODEL[J]. , 2008, 28(5): 82-86.
Chen Chuanfa ,Yue Tianxiang ,Zhang Zhaojie et al. HEIGHT ANOMALY SURFACE SIMULATION BASEDON HIGH ACCURACY SURFACE MODEL[J]. jgg, 2008, 28(5): 82-86.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2008/V28/I5/82
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