Abstract
Based on the analyses for the characteristics of high precise GPS deformation monitoring, 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 similar single-difference mathematical model is advanced to solve the monitor point deformation information at single epoch. This model or methodology is abbreviated to SSDM. According to the SSDM theory, the GPS Deformation Monitor Information Quick Resolution Software, abbreviated to GQuickS, is developed successfully. The basic mathematical model of SSDM Methodology, the main functions of GQuickS, speed of the data processing by GQuickS, and characteristics of SSDM Methodology, are introduced in this paper.
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