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GPS观测成果是WGS-84中的地心空间直接坐标,现实测绘中,我们通常需要的是国家平面坐标。如何有效地转换该坐标成果,一直是工作中的难题。在介绍几种常用坐标系统的基础上,简单分析了坐标转换的基本原理,结合转换模型取得的精度,得出了一些有益的结论。 更多还原

【Abstract】 The observation achievements of GPS are represented in WGS-84 frame,but in the actual surveying,we need the national horizontal coordinates.How to transform the coordinate achievements effectively is always a difficult problem in the work.This paper simply analyzes the basic principle of the transformation of coordinates in the foundation of introducing several kinds of coordinate systems commonly used,combines the precision which obtains from transformation model,and achieves some beneficial co..