Enhanced stability for local atomic clock ensemble time scale using weighted moving average filter

Yuzhuo Wang, A. Zhang
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引用次数: 3

Abstract

This paper presents a method to enhance the stability of atomic clock ensemble time scale by using weighted moving average filter. Compared with Kalman filter, the weighted moving average filter has simpler algorithm structure, higher computational efficiency. Its convergence time is shorter than Kalman filter. When the two filters were applied to frequency data of Cs clocks, they have consistent filtering performance. The preliminary results show the weighted moving average filter can enhance the stability of local atomic clock ensemble time scale, especially the short- and middle-term stability.
利用加权移动平均滤波器增强局部原子钟集合时间尺度的稳定性
提出了一种利用加权移动平均滤波器增强原子钟集合时标稳定性的方法。与卡尔曼滤波相比,加权移动平均滤波算法结构更简单,计算效率更高。其收敛时间比卡尔曼滤波短。将这两种滤波器应用于c时钟的频率数据时,它们具有一致的滤波性能。初步结果表明,加权移动平均滤波器能提高局部原子钟集合时间尺度的稳定性,尤其是短时和中期稳定性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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