基于TEQC对郑州地区CORS站数据质量的分析

摘要

TEQC 是由美国 UNAVCO 开发的数据预处理工具软件，主要用于数据格式转换、数据编辑和数据质量检核。本文介绍了T EQC 的主要功能及其在 GPS 数据质量分析中的应用。并通过利用 T EQC 的数据质量检核模块，从数据完整性，多路径效应及信噪比等多个方面对郑州地区CORS站的GPS观测数据进行了质量分析，对今后基于 TEQC对 CORS站数据进行质量检核具有参考意义。%TEQC is a software tool for data preprocessing developed by USA UNAVCO . It is mainly used for data format conversion ,editing and quality checking .T his paper intro‐duces the main function of TEQC and its application in the quality analysis of GPS data .And in this paper ,through the use of data quality checking module of TEQC ,We conducted the quality analysis of observation data of GPS in Zhengzhou area CORS by data integrity ,multi path effect and signal to noise ratio etc .It has reference significance for data quality checking of CORS station based on T EQC in the future .