This paper introduced the design, measurement accuracy and operation of the automatic external deformation monitoring system for dam slab and spillway of Lianhua hydropower station.
介绍莲花水电站大坝面板及溢洪道外部变形自动化监测系统设计、测量精度分析及运行情况。
It proves in practice that the GPS network is capable of meeting design requirement and high in accuracy, convenient in operation, and can be used for monitoring of geodetic deformation.
实践表明：gps网能满足设计要求，精度高，实施方便，可用于大地形变的监测。
According to the practical condition of large open pit slope, the design, observation, data processing and deformation analysis methods of a GPS deformation monitoring network are presented.
根据我国某大型露天矿山边坡的实际情况，介绍了GPS变形监测网的设计、观测、数据处理和变形分析的方法。
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