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基于自适应Kalman滤波器的原子钟信号预测方法

CHEN Xiao-min,LI Xiao-hui

Journal of Jilin University(Science Edition)（2009）

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Abstract
给出一种Kalman滤波器噪声方差阵的自适应更新方法,该方法在进行原子钟参数估计时不需要预先输入噪声参数,且噪声参数在递推过程中自动更新并随噪声改变而自适应改变.利用国家授时中心标准时间(UTC(NTSC))与铷原子钟的钟差数据进行了验证,结果表明,效果优于一般的Kalman滤波器.
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Key words
atomic clock,Kalman filter,prediction
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