期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2004
卷号：XXXV Part B3
页码：865-869
出版社：Copernicus Publications
摘要：With the geodetic datum switching over to JGD2000 (Japan Geodetic Datum 2000) and the opening of GPS data in real time observed by GEONET (GPS Earth Observation NETwork) system, it has been expecting to use the data in surveying of local control points, public survey and so on. It is considered that a new method of RTK-GPS positioning called VRS (Virtual Reference Station) is a prevailing technique for higher precise positioning in real time with higher efficiencies and lower costs by using the minor multiple reference stations of GEONET in a wider area. In order to verify practical applying and the positioning precision of the new RTK-GPS by VRS at the local control points for public survey, field experiments are carried out. As the result of observation, the standard deviation in 3-components of positioning by VRS-GPS is about 2 cm in horizontal and less than 4 cm in vertical. Since the environment for GPS observation in real time is not very good in the residential area of city, there is potentiality for higher positioning precision for VRS-GPS positioning in comparatively better environment. This paper gives a detailed report about the experimental results, the ways for solving some problems and conclusions
关键词：RTK-GP S; VRS; GEONET; Geodetic Coordinates 2000; P ublic Survey; Local Control Point
