三维空间与二维空间转换参数求解方法
首发时间:2009-02-10
摘要:本文提出一种基准转换参数求解的新方法——椭球重合法(包括一般椭球重合法和附加固定参数的椭球重合法),并且讨论了该方法方法的基本原理。为了验证该方法的可行性和可靠性,本人用小范围内的真实数据和覆盖全国范围的仿真数据分别进行了实验,并对实验结果进行了全方位的分析和比较。最后文章还对方法的改进方向做了展望。
关键词: 三维空间 二维空间 基准转换 大地坐标微分 椭球重合法 固定参数
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A New Method for determination of Transforming Parameters between Three-dimensional Space and Two-dimensional Space
Abstract:A new method for the determination of datum transforming parameters was proposed in this paper. This method was named as Ellipsoid Coincidence (including General Ellipsoid Coincidence and Ellipsoid Coincidence with Fixed Parameters). Fundamentals the method were discussed in detail. To verify the feasibility and reliability of the method, experiments with both real data covering local area and simulated data covering the whole country were carried out, and the results were analyzed and compared comprehensively. Finally, outlooks of improvement for the approach were advanced.
Keywords: three-dimensional space two-dimensional space datum transformation geodetic coordinate differential ellipsoid coincidence fixed parameter
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