用脉冲星钟作航天器时间标准Using Pulsar Clock as Time Scale for Spacecraft
杨廷高;
摘要(Abstract)：
在介绍参考坐标系和时间标准的基础上,讨论了用脉冲星为航天器导航的时间标准问题。利用X射线脉冲星实现航天器自主导航,星载钟的任何误差都会直接影响航天器位置测量。脉冲星钟具有较高的长期频率稳定度,适合用作各类航天器的时间标准。重点讨论了时间标准误差对航天器定位的影响;给出了用脉冲星钟作航天器时间标准的物理实现方法。
关键词(KeyWords)： 航天器自主导航;时间标准;脉冲星钟
基金项目(Foundation):
作者(Author): 杨廷高;
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DOI:
参考文献(References)：
- [1]MATSAKIS D N,TAYLOR J H,EUBANKS T M.A Statistic for Describing Pulsar and Clock Stability[J].Astronomy and Astrophysics,1997,326(2):924-928.
- [2]RAWLEY L A,TAYLOR J H,DAVIS M M.Fundamental Astrometry and Millisecond Pulsars[J].Astronomical Journal,1988,326(3):947-953.
- [3]HANSON J E.Principles of X ray Navigation[D].Stanford:Stanford University,1996.
- [4]WOOD K S.Navigation Studies Utilizing the NRL-801 Experiment and the ARGOS Satellite[C]//Proceedings of International Society of Optical Engineering(SPIE).Bellingham:SPIE-the International Society for Optical Engineering,1993:105-116.
- [5]SHEIKH S I,PINES D J,RAY P S,et al.Spacecraft Navigation Using X-Ray Pulsars[J].Journal of Guidance,Control,and Dynamics,2006,29(1):49-63.
- [6]SHEIKH S I,PINS D J.Recursive Estimation of Spacecraft Position Using X-Ray Pulsar Time of Arrival Measurements[C]//59th Annual Meeting of Aeronautics and Astronautics.USA:UMI,2006.
- [7]SHEIKH S I.The Use of Variable Celestial X Ray Sources for Spacecraft Navigation[D].Maryland:University of Maryland,2005.
- [8]LYNE A G,JORDAN C A,ROBERTS M E.Jodrell Bank Crab Pulsar Timing Results,Monthly Ephemeris[S].Manchester:University of Manchester,2002.