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奇偶矢量RAIM算法的故障检测研究 被引量：7

The Research on Failure Detection of Parity Vector RAIM Algorithm
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摘要 RAIM作为一种行之有效的卫星故障诊断方法,在GPS完好性监测中发挥着重要作用。文中基于奇偶矢量RAIM算法,根据检验统计量在正常和故障情况下概率密度函数的不同,从概率角度对GPS完好性进行研究分析,主要阐述了误警率、漏检率和检测门限的概念及其之间的关系;并得出了可见卫星数增多时,漏检率不降反升的结果,这是RAIM算法的一个致命缺陷;最后仿真分析了伪距误差对漏警率的影响。 As an effective method of satellite failure detection,RAIM plays an important role in GPS integrity monitoring realm.Based on the parity vector RAIM algorithm,according to the different distribution of test statistic＇s probability density function（PDF） in normal and failure conditions,the GPS integrity was analyzed in statistical aspect,then the relation among false alarming rate,miss detection rate and detection threshold was explainedhe.The conclusion is that when the number of visual satellites increases,the miss detection rate rather than reduces;this is a fatal defect for RAIM.Finally,the influence of pseudo range on miss detection rate was simulated.
作者 彭兴钊 黄国荣 郭创 程洪炳
机构地区 空军工程大学工程学院
出处 《弹箭与制导学报》 CSCD 北大核心 2011年第6期199-202,共4页 Journal of Projectiles,Rockets,Missiles and Guidance
基金 航空科学基金(20100818017)资助
关键词 RAIM GPS完好性 奇偶矢量 概率密度函数 漏检率 RAIM GPS integrity parity vector probability density function（PDF） miss detection rate
分类号 P228.4 [天文地球—大地测量学与测量工程]
  • 相关文献

参考文献8

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二级参考文献13

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共引文献17

同被引文献49

  • 1谭述森.北斗卫星导航系统的发展与思考[J].宇航学报,2008,29(2):391-396. 被引量：184
  • 2陈金平,周建华,赵薇薇.卫星导航系统性能要求的概念分析[J].无线电工程,2005,35(1):30-32. 被引量：25
  • 3陈金平,周建华,唐波.基于漏检概率的RAIM可用性分析方法[J].测绘学院学报,2005,22(1):8-10. 被引量：17
  • 4AHMED I. Abidat.The Study of RAIM Performance by Simulation[J].Computer Aided Drafting,Design and Manufacturing,2006,16(2):58-64. 被引量：8
  • 5邱致和,王万义.GPS原理与应用[M].北京:电子工业出版社,2004.
  • 6谢钢.GPS原理与接收机设计[M].北京:电子工业出版社,2011.
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引证文献7

二级引证文献13

弹箭与制导学报
2011年 第6期

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