Gps Network System And Its Application In Real-time High-precision Deformation Monitoring Study

GPS network system is an advanced one which combines with GPS positioning, computer and communication technology .In recent years, with the developing of GPS positioning technology ,the precision of it is improved and the poisoning time required is decreased. What's more, with the fast development of Global System for Mobile Communications, satellite communication and Wide Band, the communication technology that constrained the transportation of GPS real data is improved. As a result, communications inject new life into the application and research of GPS network system. This paper initially introduces the present state of application and research of GPS network system in all aspect of life , and illuminates unsolved problem in the process of application and research .And taking the application of GPS network system in the deformation monitoring for the case ,mainly do the following research and experiments :1. illuminating the component of GPS network system and relative technology ;2. Taking the ASHTECH GPS for example .and starting from real transporting GPS primary data ,this paper analyses the code of GPS primary data files and realizes the real communication between GPS receiver and computer under VC++ platform;3. Introducing the basic theory of GPS data process .On the base of studying Kalman filter ,1 think that the theory of Kalman filter can be applied to process the real data of GPS network system and give the model of application .1 use the downloading data to confirm the model.4. Finally taking a dam for example ,1 design the structure of GPS network system and flow chart.