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《Science of Surveying and Mapping》 2009-01
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The efficiency of semi-parameter estimation compared with the LS estimation

WU You-ping①,PENG Jun-huan②,LU Tie-ding③(①Nanchang University College of Science and Technology,Jiangxi Nanchang,330029;②Department of Surveying Engineering,Land Science and Technology Institute,China University of GeoSciences,Beijing 100083;③Earth Sciences and Institute of Surveying and Mapping,East China Institute of Technology,Jiangxi Fuzhou 344000,China)  
Firstly,a semi-parameter regression model is constructed in this paper.And a regularization matrix parameter adjustment calculation method is derived concerning with system error.Then,parameters and nonparametric estimator are obtained directly.Finally,compared with the least squares valuation(LS) under the MSE law,the validity of the semi-parameters estimation is proved.
【Fund】: 国家自然科学基金项目(NO.40674015)
【CateGory Index】: P207
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