河南国土资源空间数据CGCS2000转换实践  

CGCS2000 Conversion Practice of Henan Land and Resources Spatial Data

作　　者：周雪丽 钱小龙 王磊 黄琰 ZHOU Xueli;QIAN Xiaolong;WANG Lei;HUANG Yan(Map Institute of He′nan Province,Zhengzhou 450008,China;He′nan College of Surveying and Mapping,Zhengzhou 451464,China)

机构地区：[1]河南省地图院,河南郑州450008 [2]河南测绘职业学院,河南郑州451464

出　　处：《测绘与空间地理信息》2021年第6期186-190,共5页Geomatics & Spatial Information Technology

摘　　要：针对河南省已有坐标系统、基础控制点成果分析,在国家卫星导航连续运行参考站框架下通过省卫星导航定位基准站建立、联测、数据转换实现全省坐标系统统一,并以国土资源空间数据为例,简要介绍2000国家大地坐标系数据转换。This paper analyzes the existing coordinate system and basic control point results in He’nan Province,and have achieved the province’s coordinate system unification through the establishment,joint measurement,data conversion of the provincial satellite navigation positioning benchmark site under the framework of the national satellite navigation continuous operation reference station.Taking the spatial data of land resources as an example,the paper introduces the data conversion of the CGCS2000.

关 键 词：2000国家大地坐标系 1980西安坐标系 1954年北京坐标系 地方坐标系 坐标系统转换 

分 类 号：P226.3[天文地球—大地测量学与测量工程]