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 B7
页码：1215-1220
出版社：Copernicus Publications
摘要：The GPS precise surveying which is prevailing in Korea now grasps the problem that the result of the GPS observed value is used without the analysis of the relationship between the geometric strength and the variance factor. And it was accomplished by the necessity of the unified projection of Digital Map and Digital Chart for the unified geographic information system construction on the land and the sea, respectively. The purpose of this study is firstly presenting the method to improve the precision of the observed value in GPS, and secondly the direction for the unified management of Digital Map and Digital Chart by comparing and examining the boundary line error that is on these maps which used the GPS control point through the unified projection of them. For the former, it was done using the precision analysis method that was divided into two parts as the geometric strength and the change of the variance factor in the observed value of GPS. And all these are for 3 control points which is used in GPS network adjustment. In this study, when we matched the Digital Map to the Digital Chart by using the coordinate of the boundary point through the EDM was carried out in using the result of GP S surveying, generally we could know that the errors were happened largely in the southeastern direction
关键词：Post Processing; DGP S Surveying; Chi-Square Verification ;GIS; Map; Chart; Digital Map
