Frequency-Shift a way to Reduce Aliasing in the Complex Cepstrum

Tommy Kristensen Bysted

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    Abstract

    The well-known relation between a time signal and its frequency-shifted spectrum is introduced as an excellent tool for reduction of aliasing in the complex cepstrum. Using N points DFTs the frequency-shift property, when used in the right way, will reduce the aliasing error to a size which on average is identical to the one normally requiring 2N points DFTs. The cost is an insignificant increase in the number of operations compared to the total number needed for the transformation to the complex cepstrum domain
    Original languageEnglish
    Title of host publicationElectronics, Circuits and Systems, 1998 IEEE International Conference on
    Volume3
    PublisherIEEE
    Publication date1998
    Pages557-560
    ISBN (Print)0-7803-5008-1
    DOIs
    Publication statusPublished - 1998
    EventICECS'98 5th International Conference on Electronics, Circuits and Systems -
    Duration: 1 Jan 1998 → …

    Conference

    ConferenceICECS'98 5th International Conference on Electronics, Circuits and Systems
    Period01/01/1998 → …

    Bibliographical note

    Copyright: 1998 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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