lectmr1 - Multirate Filtering Resampling Filters Polyphase...

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20-Mar-2006 ELEC4600/7602 Signal and Image Processing II Brian Lovell 1 Multirate Filtering, Resampling Filters, Polyphase Filters or how to make efficient FIR filters
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20-Mar-2006 ELEC4600/7602 Signal and Image Processing II Brian Lovell 2 THE NOBLE IDENTITY 1 Efficient Implementation of Resampling filters H(z M ) M:1 H(z) M:1 Rule 1: Filtering with M-unit delays followed by a M:1 downsampling is equivalent to M:1 downsampling followed by filtering with 1 unit delays.
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