| http://www.w3.org/ns/prov#value | - filtering an input signal through a parallel bank of L filters with impulse responses as h k ( n ) = K p 0 ( n ) exp [ j ?? 2 L ( 2 k + 1 ) ( n - N - 1 2 ) + j ( - 1 ) k ?? 4 M ] , where k=0, 1, . . . , L???1, K is a constant, and p0(n) is a lowpass prototype filter of length N, producing a set of L complex-valued signals; downsampling said set of L signals with a factor L/M, producing a set of L
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