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对利用ＧＰＳ定位技术进行大坝变形观测的可能性进行了研究，对影响ＧＰＳ精密定位精度的各种因素进行了分析和讨论提出了为满足大坝变形观测的精度要求应采取的措施和方法，并进行了模拟试验，试验结果表明采取适当措施后ＧＰＳ定位是能满足大坝变形观测的精度要求的．
The possibility of using GPS technology to study dam deformation observation is studied. Various factors that affect the accuracy of GPS precision positioning are analyzed and discussed. Measures and methods should be taken to meet the accuracy requirements of dam deformation observation. The simulation results show that GPS positioning can meet the requirements of dam deformation observation after taking proper measures.