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In Semi-parameter Model Gross Error Estimation Based on Difference Method

HUI Shen-ying,SONG Ying-chun,LIU Jie(School of Info Physics and Geomatics Engineering,Central South University,Changsha,Hunan,410083,China)  
In this paper,with difference method parameter and non-parametric vector estimation in semi-parametric model can be obtained.When the locations of gross errors have been identified,with the gross error detection method which is based on the least-squares principle,the gross error measurement of semi-parametric model can be estimated.After the analysis of an example,the validity of the algorithm is proved,and some points about the gross error location and evaluation which should be paid attention to are put forward.
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