Minimum-Phase FIR-Equalizer Design Using Phase Estimation

Tommy Kristensen Bysted, Hans Gaunholt

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    Abstract

    Design of minimum-phase FIR-filters are normally done using transformation of a linear-phase FIR-filter. In this paper a new estimation approach is presented. A (minimum) phase is estimated from a squared amplitude response using the theory of complex cepstrums.The amplitude and the estimated phase may then be used to design a FIR-filter optimal in the LS-sense.Two examples are used to verify the method and they indicate a performance as good as the conventional transformation method. Compared with the transformation method the computation load in the presented method is smaller and it is less sensitive to zeros close to the unit circle.
    Original languageEnglish
    Title of host publicationMinimum-Phase FIR-Equalizer Design Using Phase Estimation
    Publication date1997
    Publication statusPublished - 1997
    EventEuropean Conference on Circuit Theory and Design - Budapest
    Duration: 1 Jan 1997 → …

    Conference

    ConferenceEuropean Conference on Circuit Theory and Design
    CityBudapest
    Period01/01/1997 → …

    Cite this

    Bysted, T. K., & Gaunholt, H. (1997). Minimum-Phase FIR-Equalizer Design Using Phase Estimation. In Minimum-Phase FIR-Equalizer Design Using Phase Estimation