Fractional lower order moment based adaptive algorithms for active noise control of impulsive noise sources

  • Tahir Akhtar M
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Abstract

This letter deals with active noise control (ANC) for impulsive noise sources being modeled using non-Gaussian stable process. The filtered-x least mean square algorithm is based on minimization of the variance of the error signal and becomes unstable for impulsive noise. The filtered-x least mean p-power algorithm—based on minimizing the fractional lower order moment—gives a robust performance for impulsive ANC; however, its convergence speed is very slow. This letter proposes modifying and employing a generalized normalized LMP algorithm for impulsive ANC. Extensive simulations are carried out which demonstrate the effectiveness of the proposed algorithm.

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APA

Tahir Akhtar, M. (2012). Fractional lower order moment based adaptive algorithms for active noise control of impulsive noise sources. The Journal of the Acoustical Society of America, 132(6), EL456–EL462. https://doi.org/10.1121/1.4766275

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