| Performance of hydrogen maser and its usage in local atomic time at NTSC | |
| Yuan Haibo; Wang Zhengming; Dong Shaowu | |
| 2007 | |
| 会议名称 | Joint IEEE International Frequency Control Symposium/21st European Frequency and Time Forum |
| 会议录名称 | PROCEEDINGS OF THE 2007 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM-JOINTLY WITH THE 21ST EUROPEAN FREQUENCY AND TIME FORUM, VOLS 1-4 |
| 会议日期 | MAY 29-JUN 01, 2007 |
| 会议地点 | Geneva, SWITZERLAND |
| 产权排序 | 1 |
| ISBN | 978-1-4244-0646-3 |
| 摘要 | The advantage of a hydrogen maser is in its short-term stability, however, with the same hydrogen masers, their performance are different. In 2004, four hydrogen masers were bought to time keeping laboratory of NTSC, two of which were made in USA, and the other two in China. In order to make full use of the hydrogen masers, it is necessary to study their performance which includes the short-term stability, long-term stability, noise, frequency drift etc. Through the exhaustive study and analysis one could exactly know their different performances, and consequently different methods could be studied when they participate in the calculation of local atomic time (TA). In this paper, the performances of the four hydrogen masers are discussed with the emphasis on the two hydrogen masers made in America, by analyzing the data which are obtained from the time comparison system at NTSC, and then the method of how to use them in the calculation of TA(NTSC) is studied. By using the method, the short-term stability of TA(NTSC) increases obviously. |
| 部门归属 | 时间基准研究室 |
| 主办者 | IEEE |
| 收录类别 | CPCI |
| 语种 | 英语 |
| 文献类型 | 会议论文 |
| 条目标识符 | http://210.72.145.45/handle/361003/5344 |
| 专题 | 时间频率基准实验室 |
| 推荐引用方式 GB/T 7714 | Yuan Haibo,Wang Zhengming,Dong Shaowu. Performance of hydrogen maser and its usage in local atomic time at NTSC[C],2007. |
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