Title :
Study of an atomic clock steering method based on least square
Author :
Yuwei Li ; Wenli Wang ; Liu Ya ; Xiaohui Li ; Ruifang Dong ; Yinhua Liu
Author_Institution :
Nat. Time Service Center, Xi´an, China
Abstract :
In order to correct the drift of atomic clock, an atomic clock steering method based on least square is proposed so that the offset of time and frequency is able to maintain at either zero or constant. This paper analyzes drift characteristics of cesium clock and rubidium clock separately and builds clock offset models of either of them. Finally, by recurring to the NTSC Master Clock (MC), a platform for experimental verification is established and the test results show the steering method is feasible.
Keywords :
atomic clocks; least squares approximations; NTSC Master Clock; atomic clock steering method; cesium clock; clock offset models; drift characteristics; experimental verification; least square; rubidium clock; Atomic clocks; Data preprocessing; Frequency control; Stability analysis; Time-frequency analysis; atomic clock; detection of outliers; least square method; steering method;
Conference_Titel :
Frequency Control Symposium (FCS), 2014 IEEE International
Conference_Location :
Taipei
DOI :
10.1109/FCS.2014.6859898
