4.2.1 时变滤波(time-variant filtering) 42-43 4.2.2 f-x域预测滤波去噪方法 43-44
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time-variant frequency filtering 时变频率滤波
time-variant median filtering 时变中值滤波
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Although the filtering method in frequency domain can solve the time variant filtering problem based on Fourier transform, the method may appear a false anomaly in conjunct part between Windows.
频率域滤波方法虽然可解决时变滤波问题，但这种方法是基于傅里叶变换，在窗口与窗口之间的接合部位会出现假异常。
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