中国空间科学技术

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Effect of Time Asynchronous of Integrated Navigation System on Initial Alignment of Inertial Navigation System

Chen Bingfang Zhang Yulin (National University of Defense Technology,Changsha 410073) Zhao Huali (Xichang Satellite Launching Centre,Xichang 615000)   

  • Published:2001-10-25
  • Supported by:
    863-2基金资助

Abstract: The effect of GPS measurement delay on initial alignment of GINS is analyzed.The simplified error models are presented.Under the conditi on of circular trajectory,the estimation error of heading angle will be erroneou s if the time asynchronous between INS and GPS is ignored. Subject Term Combined navigation Global positioning system Initia l aiming