In this paper we propose a parallel composition based adaptive notch filter for eliminating sinusoidal signals whose frequencies are unknown. The proposed filter which is implemented using second order all-pass filter and a band-pass filter can achieve high convergence speed by using the output of an additional band-pass filter to update the coefficients of the notch filter. The high convergence speed of the proposed notch filter is obtained by reducing an effect that an updating term of coefficient for adaptation of a notch filter significantly increases when the notch frequency approaches the sinusoidal frequency. In this paper, we analyze such effect obtained by the additional band-pass filter. We also present an analysis of a convergence performance of cascaded system of the proposed notch filter for eliminating multiple sinusoids. Simulation results have shown the effectiveness of the proposed adaptive notch filter.
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Arata KAWAMURA, Yoshio ITOH, James OKELLO, Masaki KOBAYASHI, Yutaka FUKUI, "Parallel Composition Based Adaptive Notch Filter: Performance and Analysis" in IEICE TRANSACTIONS on Fundamentals,
vol. E87-A, no. 7, pp. 1747-1755, July 2004, doi: .
Abstract: In this paper we propose a parallel composition based adaptive notch filter for eliminating sinusoidal signals whose frequencies are unknown. The proposed filter which is implemented using second order all-pass filter and a band-pass filter can achieve high convergence speed by using the output of an additional band-pass filter to update the coefficients of the notch filter. The high convergence speed of the proposed notch filter is obtained by reducing an effect that an updating term of coefficient for adaptation of a notch filter significantly increases when the notch frequency approaches the sinusoidal frequency. In this paper, we analyze such effect obtained by the additional band-pass filter. We also present an analysis of a convergence performance of cascaded system of the proposed notch filter for eliminating multiple sinusoids. Simulation results have shown the effectiveness of the proposed adaptive notch filter.
URL: https://global.ieice.org/en_transactions/fundamentals/10.1587/e87-a_7_1747/_p
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@ARTICLE{e87-a_7_1747,
author={Arata KAWAMURA, Yoshio ITOH, James OKELLO, Masaki KOBAYASHI, Yutaka FUKUI, },
journal={IEICE TRANSACTIONS on Fundamentals},
title={Parallel Composition Based Adaptive Notch Filter: Performance and Analysis},
year={2004},
volume={E87-A},
number={7},
pages={1747-1755},
abstract={In this paper we propose a parallel composition based adaptive notch filter for eliminating sinusoidal signals whose frequencies are unknown. The proposed filter which is implemented using second order all-pass filter and a band-pass filter can achieve high convergence speed by using the output of an additional band-pass filter to update the coefficients of the notch filter. The high convergence speed of the proposed notch filter is obtained by reducing an effect that an updating term of coefficient for adaptation of a notch filter significantly increases when the notch frequency approaches the sinusoidal frequency. In this paper, we analyze such effect obtained by the additional band-pass filter. We also present an analysis of a convergence performance of cascaded system of the proposed notch filter for eliminating multiple sinusoids. Simulation results have shown the effectiveness of the proposed adaptive notch filter.},
keywords={},
doi={},
ISSN={},
month={July},}
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TY - JOUR
TI - Parallel Composition Based Adaptive Notch Filter: Performance and Analysis
T2 - IEICE TRANSACTIONS on Fundamentals
SP - 1747
EP - 1755
AU - Arata KAWAMURA
AU - Yoshio ITOH
AU - James OKELLO
AU - Masaki KOBAYASHI
AU - Yutaka FUKUI
PY - 2004
DO -
JO - IEICE TRANSACTIONS on Fundamentals
SN -
VL - E87-A
IS - 7
JA - IEICE TRANSACTIONS on Fundamentals
Y1 - July 2004
AB - In this paper we propose a parallel composition based adaptive notch filter for eliminating sinusoidal signals whose frequencies are unknown. The proposed filter which is implemented using second order all-pass filter and a band-pass filter can achieve high convergence speed by using the output of an additional band-pass filter to update the coefficients of the notch filter. The high convergence speed of the proposed notch filter is obtained by reducing an effect that an updating term of coefficient for adaptation of a notch filter significantly increases when the notch frequency approaches the sinusoidal frequency. In this paper, we analyze such effect obtained by the additional band-pass filter. We also present an analysis of a convergence performance of cascaded system of the proposed notch filter for eliminating multiple sinusoids. Simulation results have shown the effectiveness of the proposed adaptive notch filter.
ER -