Efficient Implementation of 2 $times$ Oversampled Exponentially Modulated Filter Banks

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS（2006）

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摘要

This paper studies 2times oversampled exponentially modulated filter banks because they can be a useful solution for various communications signal processing problems. At first, the perfect reconstruction (PR) property of this kind of 2M-channel complex modulated filter bank is proven by using the results of M-channel PR cosine-/sine-modulated filter banks (CMFBs/SMFBs). Then, two efficient implem...

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关键词

Channel bank filters,Filter bank,Finite impulse response filter,Signal processing,Discrete Fourier transforms,Prototypes,Signal synthesis,Frequency,Computational complexity,Arithmetic

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