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Vol. 238, Issue 11, November 2019, pp. 36-41




Research on Dynamic Steering Method of Atomic Clock Based on Residual Correction

1, 2, * Yuwei Li, 1, 2 Wenli Wang, 1, 2 Yanrong Xue, 1, 2 Ruiqiong Chen and 1, 2 Ya Liu

1 National Time Service Center, Chinese Academy of Sciences, China
2 Key Lab. of Time & Frequency Primary Standards, Shaanxi, China
1 Tel.: + (086)83890447, fax: (086)83890326

E-mail: liyuwei9999@163.com


Received: 30 August 2019 /Accepted: 15 October 2019 /Published: 30 November 2019

Digital Sensors and Sensor Sysstems


Abstract: Precision time-frequency signal generation and maintenance technology is an important foundation of navigation and positioning, which provides actual physical signal and precise time scale for navigation and positioning. In order to generate and maintain the frequency accuracy, frequency stability and synchronization accuracy of time-frequency signals, combined with the characteristics of atomic clock, a method of dynamic atomic clock control by residual correction is proposed. The method greatly improves the frequency accuracy and long-term frequency stability of signals without destroying the short-term stability. The result of synchronization is at least twice as much as that of traditional methods.


Keywords: Precision time-frequency signal, Dynamic atomic clock control, Residual correction, Signal maintenance technology, Minimum control strategy, control technology.


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