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《Chinese Journal of Engineering Geophysics》 2010-05
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The Application of TEQC and QCVIEW32 in the Pretreatment of the GPS Observational Data

Wang Jianjun,Wu Beiping,Feng Jian(Faculty of Information Engineering,China University of Geosciences,Wuhan 430074,China)  
In order to obtain more accurate data to improve the quality of the GPS observations,the observation data of Global Positioning System(GPS) usually need to be pre-processed.Different from the common random-processing software,Translation,Editing and Quality Checking(TEQC) and Quality Checking VIEW32(QCVIEW32) can pre-process arbitrary GPS observation data no matter what model the the GPS receiver is.This paper analyses the current situation of GPS observation data pre-processing,summarizes the advantages and disadvantages of TEQC and QCVIEW32 applied to the GPS observational data,and also describes the usage of TEQC and QCVIW32.Aiming to avoid the disadvantages of TEQC and QCVIW32(such as dependence on DOS,poor human-computer interaction,etc.),the authors of this paper uses VB6.0 to write TEQCAST,a visual program for the pre-processing of the GPS observational data.Through practical examples,it is proved that TEQCAST is simple and easy to operate,and also can improve the quality of the pretreated observational data significantly.
【Key Words】: pre-processing TEQC QCVIEW32 visualization the quality of the observational data
【Fund】: 中国大陆构造环境监测网络项目(编号:2008201003)资助
【CateGory Index】: P228.4
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