Cheng Guangyi, Haidong Zhang, Yingli Zhang, Wan Xin, Zhao Shufen
Abstract
全国三级GPS大地控制网是基础测绘长期的建设项目,充分利用各类工程建设的高等级GPS控制点,不仅可以提高三级GPS大地控制网布设精度,而且还可以加快三级GPS网的建设.提出了基于高等级GPS控制点的三级网计算方法,并针对某区域进行了试验分析.
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全国三级GPS大地控制网是基础测绘长期的建设项目,充分利用各类工程建设的高等级GPS控制点,不仅可以提高三级GPS大地控制网布设精度,而且还可以加快三级GPS网的建设.提出了基于高等级GPS控制点的三级网计算方法,并针对某区域进行了试验分析.
Key concepts: Global Positioning System, Geodetic datum, Geodesy, Precise Point Positioning, Geology, Point (geometry), Remote sensing, Computer science