The CORS Construction Of Fuxin City Multi-base Station And Applications In The Land Consolidation

A major direction for the development of international geodetic Establishing globalcoverage, all-weather, high-precision, dynamic, real-time positioning satellite navigation system.Therefore, the establishment of a permanent continuous operation of GPS reference stations forservices within the scope of the user to provide real-time satellite navigation services. Theworld’s more developed countries and regions have established or plan to set up a system ofcontinuously operating reference stations, referred CORS., Collecting a variety of real-timegeospatial data to meet the information needs of national economic construction, the CORSsystem to establish imminent.Based on the theory of continuously operating reference stations Fuxin City base stationCORS system for study, research CORS system the process of establishing reference stationswill affect factors, the CORS system established system of coordinates joint measurementconversion and technology index test, combined with the the CORS technology in Fuxin Citycold Rural Land Consolidation, the following conclusions:1.Fuxin CORS system performance in order to better play after environmental testing of thereference station site observations, realistic assessment of the reference station site nearmulti-path effect, blocking, whether there is interference signals and other conditions. Throughthe analysis of the reference site multi-path reference site-bit signal-to-noise ratio analysis andreference sites bits of data integrity analyzes station site to meet Jianzhan requirements.2.Test system technical indicators, including the compatibility of the instrument, theavailability of the system time and system space availability, network RTK initialization timeRTK positioning accuracy of5to comply with technical indicators, from the net-net accuracycontrast precision net-net of view, accuracy is not very different. This shows that the entiresystem network network accuracy evenly distributed, can provide reliable centimeter-level RTKpositioning services.36.8km network outside the farthest point from the network edge, insideand outside the match in less than two centimeters accuracy to meet the design requirementswhile the30kilometers outside of the system to meet network operating needs. Comply withaccuracy within the entire network, and north to the excellent2.8cm, Oriental better than2.0cmelevation better than4.5cm; precision in line outside the whole network, and north to the betterthan3.5cm Oriental to better than2.8cm. Meet the system design requirements.3.CORS technology in land consolidation contrast CORS technology RTK and conventional RTK draw CORS technology without erecting reference station initialization time is short, andpositioning accuracy evenly distributed.4.CORS provide the establishment of a unified, high-precision, real-time dynamicthree-dimensional positioning reference a single stand-alone operation, greatly improvedproduction efficiency, and meet the needs of different industries, different purposes, differentways and different accuracy level navigation and positioning needs.