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Design of optimal minimum-phase digital FIR filters using discrete Hilbert transforms

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3 Author(s)
N. Damera-Venkata ; Dept. of Electr. & Comput. Eng., Texas Univ., Austin, TX, USA ; B. L. Evans ; S. R. McCaslin

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

Published in:

IEEE Transactions on Signal Processing  (Volume:48 ,  Issue: 5 )