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X射线脉冲星导航半物理仿真实验系统研究

苏哲 许录平 王婷

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X射线脉冲星导航半物理仿真实验系统研究

苏哲, 许录平, 王婷

X-ray pulsar-based navigation semi-physical simulation experiment system

Su Zhe, Xu Lu-Ping, Wang Ting
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  • 由于费用巨大,X射线脉冲星导航初步研究阶段不可能进行空间搭载实验.为此,文章设计了一种X射线脉冲星导航半物理仿真实验系统.该系统由脉冲星信号模拟部分和导航参数解算部分组成.模拟部分采用非齐次泊松过程对光子到达太阳系质心的时间建模,时间转换后,模拟X射线探测器观测脉冲星时输出的脉冲信号.导航参数解算部分利用Delta-Correction方法解算模拟信号中蕴含的导航信息.该系统可同时模拟4颗脉冲星信号,成本低,精度高,可对脉冲星导航的信号处理和参数解算过程进行光子级仿真研究,并为后续空间搭载实验中原理样机的设计提供一定的参考.
    For the huge costs, the space flight experiment cannot be realized in the preliminary step of X-ray pulsar based navigation (XPNAV) research. So, a kind of XPNAV semi-physical simulation experiment system is designed in this paper. This system is composed of two parts: the simulation of pulsar signal and the calculation of navigation parameters. In the first part, the time when X-ray photon arrives at the solar system barycenter is modeled by non-homogeneous Poisson process, then the output pulse of X-ray detector can be simulated by time transformation. In the second part, the navigation information included in the pulses which have been simulated in the first part can be reached by using the Delta-Correction method. This system can be used to simulate four pulsar signals simultaneously, and to study the process of signal processing and parameters calculation of XPNAV at photo level. This system has the advantage of low costs and high simulation accuracy, and provides a reference for the design of prototype in space flight experiment.
    • 基金项目: 国家高技术研究发展计划(批准号:2007AA12Z323)和国家自然科学基金(批准号:60772139)资助的课题.
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    Xie Z H, Xu L P, Ni G R 2008 Acta Phys. Sin. 57 6683 (in Chinese) [谢振华、许录平、倪广仁 2008 物理学报 57 6683]

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    Theodore D M (Translated by Liu Y C) 2006 Formulation for Observed and Computed Values of Deep Space Network Data Types for Navigation (Beijing: Tsinghua University Press) p5-14 (in Chinese) [赛德DM 著 刘迎春 译 2006 深空网导航数据的测量和计算公式 (北京:清华大学出版社) 第5-14]

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  • [1]

    Sheikh S I, Pines D J 2006 J. Guid. Cont. and Dyn. 29 49

    [2]

    Zheng W, Tang G J, Sun S M, Chang S L 2008 Chinese Patent 200810031475.1

    [3]
    [4]
    [5]

    Zheng W, Sun S M, Tang G J, Chang S L 2010 Chinese Patent 200910043352.4

    [6]

    Sheng L Z, Zhao B S, Shai X F, Hu H J, Chen D 2010 Chinese Patent 201010140837.8

    [7]
    [8]

    Zheng W, Shun S M, Tang G J 2010 1st China Satellite Navigation Conference Beijing, May 19-21, 2010 p1

    [9]
    [10]

    Sheikh S I 2005 Ph. D. Dissertation (Maryland: Maryland University)

    [11]
    [12]
    [13]

    Shuai P, Li Ming, Chen S L, Huang Z 2009 The Principle and Method of X-ray Pulsar Based Navigation system (Beijing: China Astronautic Publishing House) p341 (in Chinese) [帅 平、李 明、陈绍龙、黄 震 2009 X射线脉冲星导航系统原理与方法 (北京: 中国宇航出版社) 第341页]

    [14]

    Sun S M, Zheng W, Tang G J, Xu K C 2010 J. Astronautics 31 734 (in Chinese) [孙守明、郑 伟、汤国建、徐凯川 2010 宇航学报 31 743]

    [15]
    [16]
    [17]

    Schanze T 1995 IEEE Trans. on Sig. Proc. 43 1502

    [18]

    Emadzadeh A A, Golshan A R, Speyer J L 2009 Joint 48th IEEE Conference on Decision and Control and 28th Chinese Control Conference Shanghai, China, December 16-18, 2009 p1488

    [19]
    [20]
    [21]

    Nelson R A 2007 IEEE International Frequency Control Symposium, Geneva, May 29, 2007 p1278

    [22]
    [23]

    Shuai P, Chen Z G, Qu G J 2009 China Science E 39 556 (in Chinese) [帅 平、陈忠贵、曲广吉 2009 中国科学E 39 743]

    [24]
    [25]

    Mathews J H, Fink K D 2004 Numerical Methods Using Matlab (New Jersey: Prentice Hall) p41

    [26]

    Xie Z H, Xu L P, Ni G R 2008 Acta Phys. Sin. 57 6683 (in Chinese) [谢振华、许录平、倪广仁 2008 物理学报 57 6683]

    [27]
    [28]
    [29]

    Taylor J H 1993 Class. Quantum Grav. 10 S167

    [30]

    Theodore D M (Translated by Liu Y C) 2006 Formulation for Observed and Computed Values of Deep Space Network Data Types for Navigation (Beijing: Tsinghua University Press) p5-14 (in Chinese) [赛德DM 著 刘迎春 译 2006 深空网导航数据的测量和计算公式 (北京:清华大学出版社) 第5-14]

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出版历程
  • 收稿日期:  2010-12-20
  • 修回日期:  2011-02-22
  • 刊出日期:  2011-11-15

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