| GPS大地坐标向地方坐标转换的实用方法研究 |
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| 引用本文： | 刘飞,周琳琳,益建芳. GPS大地坐标向地方坐标转换的实用方法研究[J]. 华东师范大学学报(自然科学版), 2005, 2005(1): 73-77 |
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| 作者姓名： | 刘飞 周琳琳 益建芳 |
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| 作者单位： | 华东师范大学,地理信息科学教育部重点实验室,上海,200062;华东师范大学,地理信息科学教育部重点实验室,上海,200062;华东师范大学,地理信息科学教育部重点实验室,上海,200062 |
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| 摘 要： | 讨论了WGS-84坐标系统和地方坐标系统之间坐标转换的数学模型.研究了坐标转换数学模型的简化公式，在对其精度分析的基础上，对简化公式的适用性进行了论证.根据若干个已知点在两个坐标系统中的坐标值，利用最小二乘法拟合了回归曲面.提供了坐标转换的一种可行方法.
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| 关 键 词： | 坐标转换 GPS大地坐标 高斯投影 |
| 文章编号： | 1000-5641(2005)01-0073-05 |
| 收稿时间： | 2002-10-25 |
| 修稿时间： | 2003-10-01 |
Study on the Practical Method to Tranform GPS Geodetic Coordinates to Coordinates of Localsystem(Chinese) |
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| LIU Fei,ZHOU Lin-lin,YI Jian-fang. Study on the Practical Method to Tranform GPS Geodetic Coordinates to Coordinates of Localsystem(Chinese)[J]. Journal of East China Normal University(Natural Science), 2005, 2005(1): 73-77 |
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| Authors: | LIU Fei ZHOU Lin-lin YI Jian-fang |
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| Affiliation: | Key Laboratory of Geographic Information Science, Ministry of Education, East China Normal University,Shanghai200062,China |
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| Abstract: | Study about the transformation relationship among different coordinates systems has been made to solve the problems in the application of GPS. The precision of the simplified coordinates transformation formula has been analysed. It was shown that the rational simplification is necessary and it will help to enhance the efficiency of the GPS system, for example, the vehicle navigation and real-time monitoring systems. An example and a feasible method to solve the unkown parameter are provided. |
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| Keywords: | coordinates transformation GPS geodetic coordinates Gauss projection |
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