2000国家大地坐标系转换方法的探讨

Discussion on the Method of Conversion of 2000 National Geodetic Coordinate System

在日常测量过程中,经常碰到不同坐标系间坐标转换的问题,为消除不必要的麻烦,需要进行坐标系转换。目前,我国1954北京坐标系和1980西安坐标系空间点位坐标通过利用参数模型转换2000国家大地坐标系,目前各种测绘资料存在着两个坐标系的差异问题,为方便日常工作开展,必须进行坐标系的转换。本文通过两种方法探讨研究将数据坐标转换成2000国家大地坐标系。

In the course of daily measurement,the problem of coordinate transformation between different coordinate systems is often encountered.In order to eliminate unnecessary troubles,coordinate transformation is needed.At present,the space coordinates of Beijing coordinate system 1954 and Xi′an coordinate system 1980 in China are transformed into 2000 national geodetic coordinate system by using parametric model.At present,there are differences between two coordinate systems in various surveying and mapping data.In order to facilitate daily work,coordinate system transformation is necessary.In this paper,two methods are used to study the transformation of data coordinates into 2000 National Geodetic coordinates.