Aliasing in the Complex Cepstrum of Linear-Phase Signals

Tommy Kristensen Bysted

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    Abstract

    Assuming linear-phase of the associated time signal, this paper presents an approximated analytical description of the unavoidable aliasing in practical use of complex cepstrums. The linear-phase assumption covers two major applications of complex cepstrums which are linear- to minimum-phase FIR-filter transformation and minimum-phase estimation from amplitude specifications. The description is made in the cepstrum domain, the Fourier transform of the complex cepstrum and in the frequency domain. Two examples are given, one for verification of the derived equations and one using the description to reduce aliasing in minimum-phase estimation
    Original languageEnglish
    Title of host publicationInformation, Communications and Signal Processing, 1997. ICICS., Proceedings of 1997 International Conference on
    Volume3
    PublisherIEEE
    Publication date1997
    Pages1598-1602
    ISBN (Print)0-7803-3676-3
    DOIs
    Publication statusPublished - 1997
    EventFirst International Conference on Information, Communication & Signal Processing - Singapore
    Duration: 1 Jan 1997 → …

    Conference

    ConferenceFirst International Conference on Information, Communication & Signal Processing
    CitySingapore
    Period01/01/1997 → …

    Bibliographical note

    Copyright: 1997 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE

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