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为了给十堰-白河高速公路提供控制测量资料及后续碎部测量资料,在高速公路沿线布设一系列D级GPS控制点,通过对GPS控制网测量以及外业数据的初步处理,实现了对GPS网的重复边检核,同步环闭合差检核和异步环闭合差检核,进而分析了GPS外业测量的精度,并为今后相似地形条件的工程提供了技术保证。 更多还原

【Abstract】 In order to provide control survey and detail survey materials for Shiyan Baihe highway,we set a series of D-grade GPS control points,and completed the examination for repeated side synchronous loop closure and asynchronous loop closure.Our research provides technical support for those projects with similar topographic condition through analyzing the precision of GPS field survey. 更多还原