| 基于脉冲星的星载钟时间修正算法研究 |
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| 引用本文： | 尹东山,高玉平,陈鼎,彭恢全. 基于脉冲星的星载钟时间修正算法研究[J]. 时间频率学报, 2009, 32(1): 43-49 |
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| 作者姓名： | 尹东山 高玉平 陈鼎 彭恢全 |
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| 作者单位： | 1. 中国科学院国家授时中心,西安,710600;中国科学院研究生院,北京,100039
2. 中国科学院国家授时中心,西安,710600 |
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| 摘 要： | 讨论了一种对长期在轨运行的星载钟的钟差进行修正的方法，该方法以导航用毫秒脉冲星作为高稳定度频率源，采用卡尔曼最优估计算法对星载钟进行控制。仿真计算表明，该方法可以有效提高星载钟的长期频率稳定度，增强星载钟的长期自主运行能力。
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| 关 键 词： | 脉冲星 卡尔曼最优估计 星载钟 时间 |
Algorithm of Onboard Clock Error Correction Based on Observation of Pulsar |
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| YIN Dong-shan,GAO Yu-ping,CHEN Ding,PENG Hui-quan. Algorithm of Onboard Clock Error Correction Based on Observation of Pulsar[J]. Journal of Time and Frequency, 2009, 32(1): 43-49 |
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| Authors: | YIN Dong-shan GAO Yu-ping CHEN Ding PENG Hui-quan |
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| Affiliation: | YIN Dong-shan, GAO Yu-ping, CHEN Ding, PENG Hui-quan(1. National Time Service Center, Chinese Academy of Sciences, Xi＇an 710600, China; 2. Graduate University of Chinese Academy of Sciences, Beijing 100039, China) |
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| Abstract: | An algorithm of correcting the clock error for the long-running onboard clock is discussed, in which the millisecond pulsar is used as the frequency source with high stability and the onboard clock is controlled through the Kalman optimum estimation algorithm. The simulation has proved that this algorithm can improve the long-term stability of onboard clock effectively, and can enhance the capability of autonomous long-running for the onboard clock. |
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| Keywords: | pulsar Kalman optimum estimation onboard clock time |
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