Systematical Analysis of the Transformation Between Gauss-Krueger-Coordinate/DHDN and UTM-Coordinate/ETRS89 in Baden-Wurttemberg with Different Estimation Method

被引：9

作者：

Cai, Jianqing ^{[1
]}

Grafarend, Erik W. ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Geodesy, D-70174 Stuttgart, Germany

来源：

GEODETIC REFERENCE FRAMES | 2009年 / 134卷

关键词：

similarity transformation; affine transformation; polynomial model; Total Least-Squares method; DHDN; ETRS89;

D O I：

10.1007/978-3-642-00860-3_32

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

For the concrete "Introduction of ETRS89 into Baden-Wurttemberg" the transformation which transforms the existing two-dimensional Gauss-Krueger coordinates in German geodetic reference system (DHDN) into UTM coordinates in the ETRS89 datum with the models of the 7-parameter Helmert transformation and the 6-parameter affine transformation using the 131 collocated points (131 BWREF points in Baden-Wurttemberg) are tested and discussed. Because of the special characteristic of the main triangulation network in Baden-Wurttemberg (state-wide variable net scales, inhomogeneous point accuracies and network distortions in the decimetre level) an alternative transformation procedure based on the polynomial model is performed. Further more the Total Least-Squares method is also applied in estimating the parameters of the 6-parameter affine-transformation based on the 131 collocated points. The result is analysed and compared with these results of the conventional LS method. A systematic analysis of the transformation results is concluded.

引用

页码：205 / 211

页数：7

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