Tuning of FIR Filters

P. Zahradnik and M. Vlček (Czech Republic)


tuning, FIR filter, notch filter, equiripple filter, maximally flat filter


A novel analytical procedure for the tuning of FIR filters is introduced. The tuning procedure adjusts a single fre quency of the frequency response to the desired value while preserving the nature of the filter. The impulse responses of the original and of the final filter are related by the trans formation matrix. Two examples in the analytical design of notch FIR filters demonstrate the usefulness of the pro posed tuning procedure.

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