A new method is introduced to decompose a signal into a set of IMFs (Intrinsic Mode Function) by virtue of fast band-pass filtering.

利用快速滤波建立了一种对信号进行本征模态函数分解的全新方法。

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All-optical filters with all positive coefficients can only function as low-pass filters or equivalent band-pass filters by traditional approach.

传统的全光微波滤波器大多是正系数，只能实现低通或等效带通。

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All-optical filters with all positive coefficients can only function as low-pass filters or equivalent band-pass filters by traditional approach.

传统的全光微波滤波器大多是正系数，只能实现低通或等效带通。

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