Multi-split adaptive filtering

A novel transversal split filter configuration is proposed and the split optimum Wiener filter is introduced, as well as the symmetric and antisymmetric linear phase Wiener filter. The approach consists of combining the idea of split filtering with a linearly constrained optimization scheme. Then, t...

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Main Authors: Resende, L.S., Romano, J.M.T., Bellanger, M.
Format: Conference Proceeding
Language:English
Subjects:
Adaptive filters
Constraint optimization
Filtering
Lattices
Least squares approximation
Nonlinear filters
Symmetric matrices
Transversal filters
Wiener filter
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creator Resende, L.S.
Romano, J.M.T.
Bellanger, M.
description A novel transversal split filter configuration is proposed and the split optimum Wiener filter is introduced, as well as the symmetric and antisymmetric linear phase Wiener filter. The approach consists of combining the idea of split filtering with a linearly constrained optimization scheme. Then, the continuously split procedure is introduced and the multi-split adaptive filter is derived. It is also shown that such a structure can be viewed as a Hadamard-domain adaptive filter when the number of coefficients is set to a power of two. Simulation results obtained with the normalized LMS algorithm are presented and compared with DCT-domain adaptive filter.
doi_str_mv 10.1109/ICASSP.2001.940653
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subjects Adaptive filters
Constraint optimization
Filtering
Lattices
Least squares approximation
Nonlinear filters
Symmetric matrices
Transversal filters
Wiener filter
title Multi-split adaptive filtering
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