The use of UD factorization in adaptive RLS algorithms is interesting for its numeric robustness and because no square-root operations at all are involved. In this correspondence, we describe a square root free fast RLS algorithm based on the UD factorization of the autocorrelation matrix. Numerous finite precision simulations tend to indicate that this algorithm is numerically stable. The algorithm requires O(N) operations, where N is the linear filter order.

A numerically stable fast RLS algorithm for adaptive filtering and prediction based on the UD factorization

A. CARINI;MUMOLO, ENZO
1999-01-01

Abstract

The use of UD factorization in adaptive RLS algorithms is interesting for its numeric robustness and because no square-root operations at all are involved. In this correspondence, we describe a square root free fast RLS algorithm based on the UD factorization of the autocorrelation matrix. Numerous finite precision simulations tend to indicate that this algorithm is numerically stable. The algorithm requires O(N) operations, where N is the linear filter order.
1999
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/2936934
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