Volume 34 Issue 10
Oct.  2009
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YANG Tao, WANG Wei, ZHU Zhiqin. Analysis and Verification of Time Synchronization Error in GPS/SINS Integrated System[J]. Geomatics and Information Science of Wuhan University, 2009, 34(10): 1181-1184.
Citation: YANG Tao, WANG Wei, ZHU Zhiqin. Analysis and Verification of Time Synchronization Error in GPS/SINS Integrated System[J]. Geomatics and Information Science of Wuhan University, 2009, 34(10): 1181-1184.
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Analysis and Verification of Time Synchronization Error in GPS/SINS Integrated System

  • 1School of Instrumentation and Optoelectronics Engineering,Beihang University,37 Xueyuan Road,Beijing 100191,China;2School of Geodesy and Geomatics,Wuhan University,129 Luoyu Road,Wuhan 430079,China

Funds: 国家航空管理委员会科研资助项目(GKG200702021)
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  • Received Date: August 09, 2009
  • Revised Date: August 09, 2009
  • Published Date: October 04, 2009
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  • Aiming at the fact that many researchers did not understand the concept of GPS/SINS time synchronization clearly,understanding of time synchronization was proposed.Firstly,time delay of serial navigation data relative to 1 pps of Novatel GPS receiver was measured by an oscillograph,based on which time synchronization error of GPS/SINS integrated system including this GPS receiver was estimated,which was between 0.6 s and 1.6 s.Then,a vehicle experiment was accomplished with an integrated system comprised of this receiver and a military airborne SINS.Experiment results showed that time synchronization error fitted with vehicle experiment data was about 1.1 s,which illustrated that the description on the concept of GPS/SINS integrated system time synchronization in this paper is practical.
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