| 星载原子钟稳定性影响分析 |
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| 引用本文： | 毛悦,陈建鹏,戴伟,贾小林.星载原子钟稳定性影响分析[J].武汉大学学报(信息科学版),2011,36(10):1182-1186. |
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| 作者姓名： | 毛悦 陈建鹏 戴伟 贾小林 |
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| 作者单位： | 西安测绘研究所,西安市雁塔中路1号,710054 |
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| 基金项目： | 国家自然科学基金资助项目(41074020) |
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| 摘 要： | 以最大限度保持星载原子钟稳定性计算结果的准确、可靠性为目标,分析了原始数据采样间隔、非连续间断时间序列、无数据段、频率漂移等因素对原子钟稳定性计算结果的影响。利用GPS卫星精密钟差数据针对阿仑和哈达玛方差进行了影响量级分析,得出了有益的结论。
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| 关 键 词： | 原子钟 阿伦方差 哈达玛方差 频率漂移 |
Analysis of On-board Atomic Clock Stability Influences |
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| MAO Yue CHEN Jianpeng DAI Wei JIA Xiaolin.Analysis of On-board Atomic Clock Stability Influences[J].Geomatics and Information Science of Wuhan University,2011,36(10):1182-1186. |
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| Authors: | MAO Yue CHEN Jianpeng DAI Wei JIA Xiaolin |
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| Institution: | MAO Yue1 CHEN Jianpeng1 DAI Wei1 JIA Xiaolin1(1 Xi'an Research Institute of Surveying and Mapping,1 Middle Yanta Road,Xi'an 710054 China) |
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| Abstract: | In this paper in order to furthest maintain the accuracy and reliability of calculated on-board atomic clocks stability,the impact of raw data sampling interval,non-continuous time series,no data segment,frequency drift and other factors on the calculated atomic clock stability are analyzed.Using GPS satellite precise clock offset data the affected magnitude of Allan and Hadamard variances are analyzed,and useful conclusions are given. |
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| Keywords: | atomic clocks Allan variance Hadamard variance frequency drift |
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