氢原子钟的频率驾驭算法研究
发布时间：2018-08-18 14:41
【摘要】：以氢钟作为主钟系统的频率源,可产生短期稳定度更好的本地时间UTC(k),氢钟通常具有频率漂移效应,这使得氢原子钟的长期稳定度随着时间的推移不断降低,进而影响UTC(k)的稳定度与准确度.为解决这一问题,比较分析了氢钟和铯钟的性能,改进了氢钟参与时间尺度计算的算法,并提出了基于主钟为氢钟的频率驾驭算法.通过搭建试验系统,编制相关的软件,对该算法进行了检验.测试结果表明当氢钟参与原子时计算时,可有效改善参考时间尺度的短期稳定度,同时主钟频率源为氢钟比主钟频率源为铯钟产生的本地时间UTC(k)具有更好的短期频率稳定度.
[Abstract]:Using hydrogen clock as the frequency source of the master clock system, the local UTC (k), hydrogen clock with better short-term stability usually has frequency drift effect, which makes the long-term stability of hydrogen atomic clock decrease with the passage of time. Furthermore, the stability and accuracy of UTC (k) are affected. In order to solve this problem, the performance of hydrogen clock and cesium clock are compared and analyzed, the algorithm of hydrogen clock participating in time scale calculation is improved, and the frequency control algorithm based on master clock is proposed. The algorithm is tested by building the test system and compiling the related software. The experimental results show that the short term stability of the reference time scale can be improved effectively when the hydrogen clock is involved in atomic time calculation, and the local time UTC (k) generated by the main clock frequency source is better than the local time UTC (k) produced by the main clock frequency source is cesium clock.
【作者单位】： 中国科学院国家授时中心;中国科学院时间频率基准重点实验室;中国科学院大学;
【基金】：国家自然科学基金项目(11303032) 西部之光项目(XAB2015B19)资助
【分类号】：P127.1
本文编号：2189791
[Abstract]:Using hydrogen clock as the frequency source of the master clock system, the local UTC (k), hydrogen clock with better short-term stability usually has frequency drift effect, which makes the long-term stability of hydrogen atomic clock decrease with the passage of time. Furthermore, the stability and accuracy of UTC (k) are affected. In order to solve this problem, the performance of hydrogen clock and cesium clock are compared and analyzed, the algorithm of hydrogen clock participating in time scale calculation is improved, and the frequency control algorithm based on master clock is proposed. The algorithm is tested by building the test system and compiling the related software. The experimental results show that the short term stability of the reference time scale can be improved effectively when the hydrogen clock is involved in atomic time calculation, and the local time UTC (k) generated by the main clock frequency source is better than the local time UTC (k) produced by the main clock frequency source is cesium clock.
【作者单位】： 中国科学院国家授时中心;中国科学院时间频率基准重点实验室;中国科学院大学;
【基金】：国家自然科学基金项目(11303032) 西部之光项目(XAB2015B19)资助
【分类号】：P127.1
【相似文献】
相关期刊论文 前8条
1 ;上海天文台的氢原子钟[J];中国科学院上海天文台年刊;1979年00期
2 氢钟组;种工程型氢原子钟[J];天文学进展;1988年03期
3 翟造成,林传富,黄亨祥,江国兴,陆家复,罗薇华,何建卫,张为群;上海天文台氢原子钟的研制进展[J];天文学进展;1992年04期
4 翟造成;空间载钟的天体物理学实验[J];天文学进展;1986年01期
5 ;上海天文台氢原子钟稳定度已达到10~(-15)[J];天文学进展;1987年02期
6 沈季良;氢原子钟钛泵高压电源的改进[J];中国科学院上海天文台年刊;1994年00期
7 彭纪兴;上海天文台氢原子钟的新电离源[J];中国科学院上海天文台年刊;1996年00期
8 ;[J];;年期
相关会议论文 前1条
1 李晓彬;董绍武;;基于虚拟仪器的网络通信在氢原子钟数据自动采集系统中的设计[A];2005年全国时间频率学术交流会文集[C];2005年
，本文编号：2189791
本文链接：https://www.wllwen.com/kejilunwen/tianwen/2189791.html
