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Adaptive IIR notch filter using a modified sign algorithm
Author(s)
Date Issued
February 1, 2009
Type
Article
Abstract
Modified sign algorithm (MSA) for a second-order constrained adaptive IIR notch filter (ANF) is proposed and analyzed in this paper. Difference equations for the convergence in the mean and of the mean square, and steady-state estimation bias and MSE are derived in closed form. Moreover, a coarse stability for the MSA is carried out. Computer simulations are conducted to corroborate the theoretical analysis. © 2008 Elsevier B.V. All rights reserved.
Citation
Signal Processing, 89(2), 239-243, 2009