The Theory and Application of The SSDM Methodology for Solving the Deformation Information at Single Epoch by GPS Technique
Based on the analyses for the characteristics of high precise GPS deformation monitor, according to the spatial relationship among the satellites, base points and monitoring points, and using the carrier phases as the basic observations, and using the precise baseline vectors obtained in the first period observations between the base point and monitoring point as the initial condition, the new similar single-difference mathematical model and its corresponding algorithm are advanced to solve the monitor point deformation information at single epoch.This model or methodology is abbreviated to SSDM. The main error sources that effect the accuracy of deformation information solved by SSDM are discussed. In order to improve the correctness, reliability and stability of the deformation information series solved by the SSDM model.Kalman filtering algorithm is established. According to the SSDM theory, the GPS Deformation Monitor Information Quick Resolution Software, abbreviated to GQuickS, is developed successfully .The test results, solved by the SSDM theory and GQuickS, show that the resolution accuracy can reach ±2～±3mm in horizontal component, and ±4～±6mm in vertical component.
GPS Deformation monitoring Single epoch SSDM Methodology Kalman Filtering Software Development
Yu Xuexiang Lü Weicai Xu Shaoquan
School of Earth and Environment, Anhui University of Science and Technology ,Huainan 232001,China School of Geodesy and Geomatics, Wuhan University, Wuhan 430079,China
国际会议
International Conference on Space Information Technology 2009(2009年第三届空间信息技术国际会议)
北京
英文
1-14
2009-11-26（万方平台首次上网日期，不代表论文的发表时间）