| 一种实用的GPS坐标及高程同步转换方法 |
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| 引用本文： | 张兴福,沈云中.一种实用的GPS坐标及高程同步转换方法[J].大地测量与地球动力学,2011,31(3):63-68. |
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| 作者姓名： | 张兴福 沈云中 |
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| 作者单位： | 1)广东工业大学测绘工程系，广州 5100062)同济大学测量与国土信息工程系,上海 200092 |
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| 基金项目： | 中国科学院动力大地测量学重点实验室开放基金(L09-07) |
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| 摘 要： | 基于GPS控制网三维约束平差基本原理，提出一种GPS坐标及高程同步转换方法，即先由GPS点的空间直角坐标反算点间基线向量，再将旋转参数、尺度参数以及国家坐标系中的坐标作为待估参数，通过附加公共点约束进行坐标及高程转换。利用工程实例数据对该方法进行了试验，结果表明：该方法非常灵活、有效，其坐标及高程转换精度良好。
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| 关 键 词： | GPS基线反算 三维约束平差 坐标转换 高程转换 精度分 |
A PRACTICAL METHOD FOR SYNCHRONOUS TRANSFORMATION OF GPS COORDINATE AND HEIGHT |
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| Zhang Xingfu,Shen Yunzhong.A PRACTICAL METHOD FOR SYNCHRONOUS TRANSFORMATION OF GPS COORDINATE AND HEIGHT[J].Journal of Geodesy and Geodynamics,2011,31(3):63-68. |
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| Authors: | Zhang Xingfu Shen Yunzhong |
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| Institution: | 1)Department of Surveying and Mapping, Guangdong University of Technology, Guangzhou 5100062)Department of Surveying and Geomatics, Tongji University, Shanghai 200092 |
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| Abstract: | The synchronous transformation method of GPS coordinate and height based on GPS control network three-dimension constraint adjustment theory is given out.The steps of the method are as follows.At first,the baseline vector between two points is calculated from the three-dimension rectangular coordinate of GPS points,and the rotation parameters,scale parameter and the coordinate parameters in state coordinate system are also regarded as the unknown parameters,the coordinate and height transformation of GPS po... |
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| Keywords: | GPS baseline calculation three-dimension constraint adjustment coordinate transformation height transformation accuracy analysis |
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