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差分X射线脉冲星自主导航研究

Keywords: X射线脉冲星导航,双差,三差,导航精度

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Abstract:

X射线脉冲星自主导航(XNAV)中,时间测量与转换误差会对导航精度产生不可忽视的影响.本文在对XNAV算法研究的基础上,进一步研究了利用差分抑制时间测量与转换误差对导航精度的影响.研究结果表明:双差能有效抑制时间测量误差对导航精度的影响,但是无法抑制时间转换误差对导航精度的影响;三差既能有效抑制时间测量误差对导航精度的影响,也能有效抑制时间转换误差对导航精度的影响.

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