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| The Date Acquisition Program Development of Track Reference Network Based on Intelligent Total Station |
| YANG Feng1，YANG You － tao2，YANG Xue － feng2，LIU Cheng － long2 |
| 1． China Railway Eryuan Engineering Group Co． Ltd，Chengdu，Sichuan 610031，China; 2． Southwest Jiaotong University，Chengdu，Sichuan 610031，China |
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Abstract Research purposes: The aim of developing the software is to solve the eavy task and high precision requirement in the data acquisition of Track Reference Network ( TRN) of high speed railway construction，so as to improve the quality and efficiency of outdoor measurement．
Research conclusions: Based on ASCII interface of GeoCOM of Leica geo － robot and the methods and principles of the measurement of TRN，the software ( Track Reference Network Data Acquisition System，TRN DAS ) realizes the automation，digitization and high efficiency of data acquisition，and badly improve the quality and efficiency of outdoor measurement． The fruit has been applied and popularized in many high speed projects such as Shanghai － Nanjing and Shanghai － Hangzhou，bringing good effects and distinct economic benefits．
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Received: 13 December 2011
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2012, Vol. 29 
