三级GNSS大地控制网高程联测数据处理及精度分析  

The Data Processing and Accuracy Analysis for Elevation Connection Surveying of Level Three GNSS Geodetic Control Network

作　　者：秦文振 高杰 周巍 

机构地区：[1]西安测绘总站,陕西西安710054

出　　处：《北京测绘》2017年第01S期55-57,共3页Beijing Surveying and Mapping

摘　　要：三级GNSS大地控制网是现代化测绘专业建设的重要基础工程,本文介绍了近年来三级GNSS大地控制网布设、观测和观测数据质量控制措施,探讨了数据处理、精度估计的计算方法,利用两组观测高差之差和每公里高差中数偶然中误差讨论了观测精度问题,提出了需要注意的问题。Elevation connection surveying of level three GNSS Geodetic Control Network is an important foundation for surveying and mapping project,this paper introduces the level three GNSS Geodetic Control Network observation and observation data quality control measures,discusses the calculation method of data processing and precision estimate,using two groups of observation elevation difference and difference per kilometer number accidental error are discussed in the precision of problem,put forward the need to pay attention to the problem.

关 键 词：电磁波测距 高程联测 精度 

分 类 号：P228.1[天文地球—大地测量学与测量工程]