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Efficient algorithm for adaptive normalised lattice filters

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1 Author(s)
Nguyen, D.T. ; University of Auckland, Department of Electrical & Electronic Engineering, Auckland, New Zealand

The uniform norms of the observables in normalised lattice filters give the filters many stability and noise advantages over their 2-multiplier counterparts. Computational complexity due to the filter structure, however, has limited their use as adaptive filters. The letter presents a fast recursive algorithm for the generation of the gradients required in the steepest-descent adaptive filtering technique, using the normalised lattice structure.

Published in:

Electronics Letters  (Volume:19 ,  Issue: 25 )