Behavior of the adaptive algorithm for non-stationary noise signal: Difference between theoretical formulation and the practical implementation

Yoko Takenouchi, Hisaharu Suzuki, Akira Omoto

    Research output: Contribution to journalArticlepeer-review

    1 Citation (Scopus)

    Abstract

    The use of filtered reference LMS algorithms in active noise control applications was discussed. The difference between the theoretical formulation and practical implementation of the filtered reference LMS algorithm for artificially modulated signals was also discussed. It was observed that if the noise signal was white noise, behaviors were similar in both the theoretical and the practical conditions. It was found that if the noise signals were colored with a low pass filter, the upper bound of the convergence coefficients for stability was limited to a lower value than the theoretical bound.

    Original languageEnglish
    Pages (from-to)489-492
    Number of pages4
    JournalAcoustical Science and Technology
    Volume25
    Issue number6
    DOIs
    Publication statusPublished - Nov 1 2004

    All Science Journal Classification (ASJC) codes

    • Acoustics and Ultrasonics

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