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The application of robust estimation in coordinate transformation
ZHANG Heming 1 #,WANG Zhongyuan 2 *
1.School of environment science and china spatial informatics,university of mining and technolgy
2.school of environment science and china spatial informatics,university of mining and technolgy,,xuzhou 221008
*Correspondence author
#Submitted by
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Funding: none
Opened online: 1 September 2011
Accepted by: none
Citation: ZHANG Heming,WANG Zhongyuan.The application of robust estimation in coordinate transformation[OL]. [ 1 September 2011] http://en.paper.edu.cn/en_releasepaper/content/4440684
 
 
Gross errors in data processing will have great impact, providing a robust estimation to eliminate and reduce measurement errors in the estimation of gross errors on the interference and influence, solving the best valuation method. In this paper, a modern adjustment theory discussed robust estimation theory, the coordinate precision is low in the public or the case of error is too large to obtain high-precision coordinate transformation method. Were using a different anti-difference weighting function for data inspection, data obtained through comparisons of the methods for obtaining high-precision coordinates.
Keywords:Robust estimation; Coordinate transformation; Weight function
 
 
 

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