3S技术评估独立坐标系适用范围的方法  

Methods of 3S Technology Assessment the Scope of Application to the City Coordinate System

作　　者：高翔[1] 蒲德祥[1] 张黎[1] 

机构地区：[1]重庆市地理信息中心,重庆401121

出　　处：《地理空间信息》2012年第2期32-34,180,共3页Geospatial Information

基　　金：重庆市科委科技资助项目(CSTC;2009CB2015)

摘　　要：首先讨论了城市独立坐标系的变换规律以及距离改正和变形改正的相关算法;然后利用遥感、地理信息等3S技术,精确计算重庆城市独立坐标系的适用范围,为城市独立坐标系的建设和改进提供了可靠地理论支撑。This article first discussed the transformation law of the Urban Independent Coordinate System,and distortion correction and distance correction.Then using the 3S technology,it accurately calculated the scope of application of the Urban Independent Coordinate System,which gave a reliable theoretical support to the construction and improvement of the urban independent coordinate system.

关 键 词：重庆独立坐标系 高斯平面投影 变形改正 距离改正 抵偿面 

分 类 号：P226.3[天文地球—大地测量学与测量工程]