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频率稳定度与守时钟组配置关系研究

屈俐俐1,2；李变1,2   

  1. 1、中国科学院国家授时中心，西安 710600；
    2、中国科学院时间频率基准重点实验室，西安 710600
  • 出版日期:2015-02-15 发布日期:2015-02-15
  • 基金资助:
    国家自然科学基金青年项目（11103025）；中国科学院“西部之光”博士资助项目。

Research on the Relationship of Frequency Stability and Timekeeping Clock Allocation

QU Li-li1,2；LI Bian1,2   

  1. 1、National Time Service Center, Chinese Academy of Sciences, Xi′an 710600；
    2、Key Laboratory of Time and Frequency Primary Standards, Chinese Academy of Sciences，Xi′an 710600
  • Online:2015-02-15 Published:2015-02-15

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摘要： 通过对中小型守时实验室对时间尺度稳定度的需求分析，以目前主流守时钟5071A为例，利用国际权度局公布的原子钟数据，研究不同钟组配置与时间尺度稳定度的关系，为中小时间实验室守时钟组的优化配置提供参考依据；权重确定是原子时算法的关键之一，通过对不同数量、不同取权规则的原子时计算结果进行统计分析与比较，提出中小时间实验室原子时尺度算法中的取权原则。

关键词: 钟组配置, 原子钟, 频率稳定度

Abstract: Through analyzing the demands of the timescale stability for small and medium-size time laboratory, it is researched that the relationship between different allocation of clock set and stability of time scale with the data of atomic clock 5071A, which is mainly used atomic clock for time keeping at present, released by the Bureau International des Poids et Mesures. Weight is one of the keys to atomic timescale algorithm. Based on the statistical analysis of the timescale calculation results obtained by different quantity clocks and different weights, a principle of determining clock weight which is suitable for the small and medium-sized time laboratories is put forward.

Key words: Timekeeping clock allocation, Atomic clocks, Frequency stability

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