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《Acta Geodaetica Et Cartographic Sinica》 1984-04
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Tao Benzao,Yu Jingquan(Wuhan Technical University of Surveying and Mapping)  
This paper deals with the principle of adjustment of observations with singular co-variance matrix. The discussion leads to VTQ-V = min. It can be summarized as direct and indirect solutions. Entire formulas for the adjustment of indirect and condition observations with singular covariance are derived. The practical applications of these methods are illustrated by taking triangulation adjustment and that of correlated observations in groups as examples. Solution by bjerhammar's method is also discussed.
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【Secondary References】
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1 Zhang Songlin1) and Zhang Kun2) 1)Department of Surveying and Geomatics, Tongji University, Shanghai 200092 2)Key Laboratory of Geographic Information Science, School of Resources and Environment Science, East China Normal University, Shanghai 200062;DIRECT ESTIMATION FORMULAE OF LEAST-SQUARE KERNEL ESTIMATOR OF NONLINEAR SEMIPARAMETRIC MODELS[J];Journal of Geodesy and Geodynamics;2006-02
2 LI Hao-Jun1,TANG Shi-Hua1,2,HUANG Jie 1(1.Guilin University of Technology,Guilin,Guangxi,541004;2.Institute of Survey and Physical Geography of Academy of Sciences,Wuhan,Hubei,430077);The Discussion About Some Kinds of Selecting Weight Iteration Method[J];Hydrographic Surveying and Charting;2007-01
3 Zhu Jianjun(Central South University of Technology);THE BAYES METHOD OF DEFORMATION EXAMINATION[J];Site Investigation Science and Technology;1995-06
4 Tao Benzao Du Fang;The Research on Active Characteristics of Xianshuihe Fault Based on Robust Datum Strain Analysis[J];Journal of Wuhan Technical University of Surveying and Mapping;1992-03
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