A Variable-Step LMS Algorithm Based on the Adaptive Noise Cancellation

Jing Mo; Wei He; Ruo Yan Han; Jing Wei Wu; Dan Su

doi:10.4028/www.scientific.net/AMR.811.375

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 811A Variable-Step LMS Algorithm Based on the...

A Variable-Step LMS Algorithm Based on the Adaptive Noise Cancellation

Abstract:

A variable step long LMS algorithm based on Bessel function was put forward, which established the functional relationship between the step size factor and the error signal. And this algorithm would be applied to the adaptive noise canceller in order to improve the ability of the algorithm of uncorrelated noise suppression. This algorithm has a larger step-size during initial convergence stage or unknown system parameters change in order to get a faster convergence time and tracking speed. Moreover, and it adjusts small step-size to achieve a very small steady-state maladjustment noise after the convergence of the algorithm.

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Periodical:

Advanced Materials Research (Volume 811)

Pages:

375-379

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.811.375

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Online since:

September 2013

Authors:

Jing Mo, Wei He, Ruo Yan Han, Jing Wei Wu, Dan Su

Keywords:

Adaptive Filter, Bessel Function, Noise Cancellation, Variable Step Size LMS Algorithm

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