The weak frequency anomaly detection method of atomic clocks based on Kalman filter and extrapolation-accumulation
文献类型：期刊论文
| 作者 | Yan, Ran1,2; Liu, Junliang1,3; Wu, Jianfeng1,3,4; Xu, Chao1,3; Hu, Yonghui1,3 |
| 刊名 | MEASUREMENT & CONTROL
 |
| 出版日期 | 2021-04-15 |
| 页码 | 11 |
| 关键词 | Frequency anomaly atomic clock Kalman filter extrapolation-accumulation chi-square statistics |
| ISSN号 | 0020-2940 |
| DOI | 10.1177/00202940211000073 |
| 英文摘要 | A new method based on the innovation of Kalman filter and extrapolation-accumulation is proposed to detect weak frequency anomalies in atomic clocks with short detection time and high detection probability. In this method, the detection statistics of the innovation extrapolation method in several epochs are accumulated. It avoids the influence of outliers, increases the noncentrality parameter of chi-square distribution, and realizes more effective detection of weak frequency anomalies. The simulation results show that compared with the innovation method and the innovation extrapolation method, the new method has a higher detection probability for micro frequency anomalies, and the detection time is shortened. The new method is used to analyze the real data of the cesium atomic clock, and the results are consistent with the simulation results. |
| WOS关键词 | SIGNAL INTEGRITY ; JUMPS |
| 资助项目 | ZFS Satellite Navigation Test System of China[ZFS20001D] |
| WOS研究方向 | Automation & Control Systems ; Instruments & Instrumentation |
| 语种 | 英语 |
| WOS记录号 | WOS:000654519600001 |
| 出版者 | SAGE PUBLICATIONS LTD |
| 资助机构 | ZFS Satellite Navigation Test System of China ; ZFS Satellite Navigation Test System of China ; ZFS Satellite Navigation Test System of China ; ZFS Satellite Navigation Test System of China ; ZFS Satellite Navigation Test System of China ; ZFS Satellite Navigation Test System of China ; ZFS Satellite Navigation Test System of China ; ZFS Satellite Navigation Test System of China |
| 源URL | [http://210.72.145.45/handle/361003/10718]  |
| 专题 | 中国科学院国家授时中心 |
| 通讯作者 | Yan, Ran |
| 作者单位 | 1.Chinese Acad Sci, Natl Time Serv Ctr, 3 East Shuyuan Rd, Xian 710600, Shaanxi, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Chinese Acad Sci, Key Lab Time & Frequency Primary Stand, Xian, Peoples R China 4.Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yan, Ran,Liu, Junliang,Wu, Jianfeng,et al. The weak frequency anomaly detection method of atomic clocks based on Kalman filter and extrapolation-accumulation[J]. MEASUREMENT & CONTROL,2021:11. |
| APA | Yan, Ran,Liu, Junliang,Wu, Jianfeng,Xu, Chao,&Hu, Yonghui.(2021).The weak frequency anomaly detection method of atomic clocks based on Kalman filter and extrapolation-accumulation.MEASUREMENT & CONTROL,11. |
| MLA | Yan, Ran,et al."The weak frequency anomaly detection method of atomic clocks based on Kalman filter and extrapolation-accumulation".MEASUREMENT & CONTROL (2021):11. |
入库方式： OAI收割
来源：国家授时中心
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