Design of optimal minimum-phase digital FIR filters using discreteHilbert transforms

Authors:
N. Damera-Venkata;B.L. Evans;S.R. McCaslin
Affiliations:
Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX;-;-
Venue:
IEEE Transactions on Signal Processing
Year:
2000

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Abstract

We present a robust noniterative algorithm to design optimal minimum-phase digital FIR filters with real or complex coefficients. We derive: (1) the discrete Hilbert transform (DHT) of the complex cepstrum of a causal complex minimum-phase sequence and (2) the minimum fast Fourier transform length for computing the DHT to achieve a desired coefficient accuracy