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Appl. Sci. 2018, 8(6), 939; https://doi.org/10.3390/app8060939

Variable Tap-Length Algorithm with Mixed Parameter

Key Laboratory of Shenzhen Internet of Things Terminal Technology, Harbin Institute of Technology Shenzhen Graduate School, Shenzhen 518055, China
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Received: 23 April 2018 / Revised: 29 May 2018 / Accepted: 4 June 2018 / Published: 6 June 2018
(This article belongs to the Section Acoustics)
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Abstract

Convergence speed and steady-state performance are important factors to estimate the variable tap-length algorithm. The step-size of tap-length (ST) and the error width considerably impact the performance of the fractional variable tap-length algorithm. A mixed fractional variable tap-length algorithm that simultaneously applies time-varying ST and error width strategies is presented in this paper. The ST and the error width are analyzed in detail. This method uses the same variable to control both aspects, so their changes are relatively consistent. The parameters have strong adaptive ability at different stages. The proposed algorithm can solve some defects of the previous algorithms, including slow convergence rate, weak steady-state performance and robustness. A novel mean square deviation (MSD) gradient experiment is performed. Experimental results show good agreement with the theoretical analysis. View Full-Text
Keywords: adaptive algorithm; variable tap-length; convergence speed; steady-state performance; error width; step-size of tap-length adaptive algorithm; variable tap-length; convergence speed; steady-state performance; error width; step-size of tap-length
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Han, Y.; Wang, M.; Lu, Y. Variable Tap-Length Algorithm with Mixed Parameter. Appl. Sci. 2018, 8, 939.

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