Inverse Tangent Based Algorithm for Constrained Adaptive IIR Notch Filter

R Punchalard ,J Koseeyaporn ,P Wardkein

doi:10.1109/tencon.2006.343988

Inverse Tangent Based Algorithm for Constrained Adaptive IIR Notch Filter

R Punchalard , J Koseeyaporn + Show 1 more

https://doi.org/10.1109/tencon.2006.343988

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Publication Date: Jan 1, 2006

Citations: 2

Affiliation: Mahanakorn University of Technology, King Mongkut's Institute of Technology Ladkrabang

#Adaptive Notch Filter #Algorithm For Adaptive Notch Filter + Show 8 more

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Abstract

The new inverse tangent based adaptive algorithm for a second-order constrained adaptive IIR notch filter is presented in this paper. The proposed algorithm employs the ratio of output to input signals as an error criterion where the inverse tangent value of the ratio is used to adapt the filter parameter. It is found that the proposed algorithm provides not only high speed convergence but also high impulse noise robustness. The simulation results confirm that the performance of the proposed algorithm has been improved over the conventional gradient based technique.

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