Digital adaptive finite impulse response filter with large...

Details Digital adaptive finite impulse response filter with large... Digital adaptive finite impulse response filter with large...

H - Electricity

03

H

328/0.7

H03H 17/00 (2006.01) H03H 21/00 (2006.01)

Patent

CA 1187563

Abstract DIGITAL ADAPTIVE FINITE IMPULSE RESPONSE FILTER WITH LARGE FIBER OF COEFFICIENTS A digital adaptive finite impulse response (AFIR) filter having a large number of coefficients is com- posed of two or more separate filter units. The first filter unit computes response samples ho + hn+1 in response to input signal samples to provide a partial estimated response during each sampling period. After the signal samples are fully processed by the first unit, they are transferred to a second filter unit which produces response samples hn+2 - hp+1 in response thereto to provide a second partial response. The sum of the two partial responses is computed to provide the total estimated system response. The two independent filter units thus act simultaneously to provide twice as many coefficients as prior art AFIR filters in the same amount of time.

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