基于最小二乘法的车载网络RTK高程拟合精度分析  

Analysis on the Fitting Precision of Vehicle-Borne Network RTK Height based on Least-Square Method

作　　者：李春进[1] 李明峰[1] 王永明[2] 范占永[3] 朱丽强[3] 

机构地区：[1]南京工业大学测绘学院,江苏南京210009 [2]武汉大学测绘学院,湖北武汉430079 [3]苏州工业园区测绘有限责任公司,江苏苏州215021

出　　处：《全球定位系统》2012年第4期33-35,43,共4页Gnss World of China

基　　金：国土环境与灾害监测国家测绘地理信息局重点实验室(LEDM 2010805);江苏省测绘科研项目(JSCHKY201108)

摘　　要：在阐述车载网络RTK测量原理的基础上,论述了基于最小二乘法的高程拟合及精度评定方法,通过实例分析道路高程数据的相对精度与绝对精度,验证了车载网络RTK应用于道路高程数据采集的可行性,可满足相关领域测图要求。On the base of explaining the measuring theory of vehicle-borne network RTK,the evaluation method of the height fitting precision was discussed based on least-square method.Through the practical data,the relative accuracy and absolute accuracy of the height fitting were analyzed,and the vehicle-borne network RTK was verified feasible for road height data acquisition which can meet the demand of the mapping in relevant fields.

关 键 词：车载网络RTK 最小二乘法 高程拟合 精度评定 

分 类 号：P228.4[天文地球—大地测量学与测量工程]