卫星定位技术在水利工程变形监测中的应用进展与思考

变形监测是水利工程安全运行的重要保障。全球导航卫星系统（global navigation satellite system，GNSS）具有高精度、全天时、全天候等优势，为水利工程变形监测提供了新的手段。目前，以卫星定位技术为代表的变形监测技术正在向着全过程、全方位、全自主的智能化方向发展。着眼于水利工程变形监测的需求，首先对变形监测技术的发展进行了回顾；其次，介绍了卫星定位技术在水利工程变形监测中的应用进展；然后，围绕当前GNSS变形监测应用的难点与局限进行讨论；最后，展望了未来GNSS水利工程智能化监测的发展方向。

Progress and Thoughts on Application of Satellite Positioning Technology in Deformation Monitoring of Water Conservancy Projects

Deformation monitoring is an important guarantee for the safe operation of water conservancy projects. With the advantages of high precision, all-day and all-climate observation, global satellite navigation system (GNSS) provides new means for deformation monitoring in hydraulic engineering. At present, the deformation monitoring technologies represented by satellite positioning is approaching intelligent development in all processes, all aspects, and all autonomous.Firstly, we focus on the demand of deformation monitoring of water conservancy projects, and review the development of deformation monitoring technology. Then, the application of GNSS deformation monitoring in hydraulic engineering is introduced. Besides, the difficulties and limitations of GNSS deformation monitoring application are discussed. Finally, the development direction of intelligent GNSS deformation monitoring in hydraulic engineering in the future is prospected.