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Polyphase quadrature filter

A polyphase quadrature filter, or PQF, is a filter bank which splits an input signal into a given number N (mostly a power of 2) of equally distant sub-bands. A factor of N subsamples these sub-bands, so they are critically sampled. An important application of the polyphase filters (of FIR type) concerns the filtering and decimation of large band (and so…

Music & Measurement

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Polyphase quadrature filter

Nodes24
Edges23
Triples0
Avg. degree1.92
Density0.083333
Components1

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filter pqf sub-bands polyphase filters fir quadrature bank adc fpga mdct aliasing input signal band high rate signals case asic

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