| SARC Model for Three-Dimensional Coordinate Transformation |
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| 作者姓名： | YAO Jili WANG Shuguang SUN Yating |
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| 作者单位： | School of Architecture Engineering,Shandong University of Technology, Zibo 255049, China |
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| 摘 要： | IntroductionThree coordinate transformation models, Bursa-Wolf, Molodensky and WTUSM1]are generallyused in 3D coordinate transformation. They are lin-ear models which have seven parametersΔX,ΔY,ΔZ,θ,,ψ2]. Referecne 2] improved these line-ar mode
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| 关 键 词： | SARC模型 三维动态坐标 转换参数 转换方程 |
| 文章编号： | 1009-5020（2006）02-084-05 |
| 收稿时间： | 2005-11-07 |
SARC model for three-dimensional coordinate transformation |
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| YAO Jili WANG Shuguang SUN Yating.SARC Model for Three-Dimensional Coordinate Transformation[J].Geo-Spatial Information Science,2006,9(2):84-88. |
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| Authors: | Yao Jili Wang Shuguang Sun Yating |
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| Institution: | YAO Jili WANG Shuguang SUN Yating |
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| Abstract: | In this paper, a transformation model named SARC(static-filter adjustment with restricted condition) is presented, which is more practical and more rigorous in theory and fitting any angle of rotation parameter. The transformation procedure is divided into 4 steps: ① the original and object coordinates can be regarded as observations with errors; ② rigorous formula is firstly deduced in order to compute the first approximation of the transformation parameters by use of four common points and the transformation equation is linearized; ③ calculate the most probable values and variances of the seven transformation parameters by SARC model; ④ to demonstrate validity of SARC , an example is given. |
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| Keywords: | SARC 3D coordinate transformation transformation parameters transformation equation |
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