基于IGS站获取曹妃甸2000坐标的精度分析  

Accuracy Analysis of CGCS2000 coordinates obtained based on IGS in Caofeidian

作　　者：杨久东 王文军 孔海洋 

机构地区：[1]华北理工大学矿业工程学院,河北唐山063210

出　　处：《矿山测量》2017年第6期88-91,共4页Mine Surveying

摘　　要：文中研究了采用IGS连续运行基准站获取曹妃甸2000国家大地坐标系坐标的精度。基于TEQC数据编辑软件将观测数据进行预处理,GAMIT基线解算、GLOBK平差获取ITRF08框架下的坐标。通过框架转换和历元转换得到曹妃甸地区2000国家大地坐标系下的坐标点。经过与2000国家C级控制点比较,水平坐标误差在2 cm以内,垂直坐标误差在3 cm以内。此方法可以满足一般工程控制网起算点的要求。In the paper,accuracy of 2000 national geodetic coordinate system obtained by using the IGS continuous operation base station was studied in Caofeidian. Based on the TEQC data editing software,the observation data was carried out the pretreatment,GAMIT baseline solution and GLOBK adjustment to obtain the coordinates under the frame of ITRF08. Through the frame conversion and epoch conversion,the coordinate points of 2000 national geodetic coordinate system were obtained. Compared with the 2000 national C-level control point,the horizontal coordinate error was within 2 cm,the vertical coordinate error was within 3 cm. The method could meet the requirements of general engineering control network.

关 键 词：IGS 2000国家坐标 ITRF框架转换 

分 类 号：P22[天文地球—大地测量学与测量工程] TD172[天文地球—测绘科学与技术]