Hui-Jie Song, Shao-Wu Dong, Xiang Wang, Yu Zhang, Yan-Ping Wang. An improved Kalman filter time scale algorithm for atomic clock noise variation [J]. Acta Physica Sinica, 2020, 69(17): 170201-1
- Acta Physica Sinica
- Vol. 69, Issue 17, 170201-1 (2020)
Fig. 1. The corrected time deviations of modeling AHM1 based on two algorithms: (a) The corrected time deviations of modelling AHM1 based on Kalman filter algorithm; (b) the corrected time deviations of modelling AHM1 based on modified Kalman filter algorithm.
Fig. 2. The corrected time deviations of modelling AHM2 based on two algorithms: (a) The corrected time deviations of modelling AHM2 based on Kalman filter algorithm; (b) the corrected time deviations of modelling AHM2 based on modified Kalman filter algorithm.
Fig. 3. Time scale based on two Kalman filter algorithms.
Fig. 4. The overlapping Allan deviation of time scale based on two Kalman filter algorithms.
Fig. 5. Time scales based on two Kalman filter algorithms.
Fig. 6. Time scale stabilities based on two Kalman filter algorithms.
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Table 1.
The overlapping Allan deviations of time scale based on two Kalman filter algorithms.
基于两种Kalman滤波算法的时间尺度的重叠Allan偏差
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Table 2.
Relative weights of atomic clocks.
原子钟的相对权重
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Table 3.
Noise intensity of atomic clocks.
原子钟的噪声强度
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Table 4.
Statistical values based on two Kalman filter algorithms.
基于两种Kalman滤波算法的统计值
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Table 5.
The overlapping Allan deviations of time scale based on two Kalman filter algorithms.
基于两种Kalman滤波算法的时间尺度的重叠阿伦偏差值
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