| 摘要: |
| 三差分量测算法是GPS测量技术中的一个新突破.介绍了一种采用三差分量测算法的高精度GPS测量系统，并通过精度验证试验和工程应用来验证该GPS测量系统实时测量精度、测量技术、测量数据传输和处理技术.试验和工程应用研究所取得的大量实测数据表明，采用三差分的GPS三维变形实时测量技术具备毫米级测量精度，测量简单，测量数据集中处理，监测效率高，具备远程数据采集、接收和传输功能；该高精度GPS测量系统是工程表面变形实时监测工作中的一种新技术，在工程表面变形监测中具有良好的应用前景. |
| 关键词: GPS 三差分测量法 测量精度 表面变形 实时监测 |
| DOI： |
| 分类号:TU413.6+2 |
| 基金项目:水利部948项目（201012）；“十一五”国家科技支撑计划课题（2009BAK56B04） |
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| Application study on the real-time GPS deformation monitoring system |
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HE Ning, QIAN Ya-jun, HE Bin, WANG Guo-li, WANG Zhang-chun, LI Deng-hua
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State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering， Nanjing Hydraulic Research Institute， Nanjing
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| Abstract: |
| The triple-differences method is a new breakthrough in GPS deformation monitoring system. This paper provides more information about highly accurate GPS deformation system with triple-difference method. The measurement accuracy， measurement technology， measurement data transmission and treatment technology of this deformation monitoring system have been studied through accuracy verification tests and engineering application. The research results show that the GPS deformation measuring technology with triple-difference method is of high measuring precision in terms of the grade of mm， the simplicity， the centralized data processing， the high monitoring efficiency and the function of long-distance data acquisition， receiving and transmission. It is an innovative research achievement in real-time deformation monitoring and is prospective in engineering application in the future. |
| Key words: GPS(global positioning system) triple-difference measurement measurement accuracy surface deformation real-time monitoring |
