国家地理空间信息基准框架工程建设
Construction of National Geo-spatial Data Reference Frame
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摘要: 提出了国家地理空间信息基准框架内改进与更新原有的大地坐标基准、高程基准和重力基准的建设道路及解决原则。Abstract: The national geo-spatial data reference frame was put forward for the modernization of geodetic datum of China.The higher requirement of the former coordinate datum,height datum and gravity datum was in dire need of improvement and update in modernization.This paper gives the basic idea in construction and the principle in solution.