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Acceleration of the Remez exchange algorithm for the design of L optimum FIR filters

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2 Author(s)
E. Z. Psarakis ; Dept. of Comput. Eng. & Inf., Patras Univ., Greece ; G. V. Moustakides

A new initialization scheme for the Remez exchange algorithm is proposed. More specifically, the solution of the well known “don't care” filter design method is proposed as a new efficient initialization scheme for the Remez algorithm. Our proposal is motivated by the fact that the “don't care” least squares optimum solution satisfies one of the two basic conditions that are sufficient for obtaining the L optimal solution according to the alternation theorem and at the same time it adequately approximates the second one. Because of these properties we have a significant speed up of the convergence of the Remez exchange algorithm to the L optimum solution

Published in:

Digital Signal Processing Proceedings, 1997. DSP 97., 1997 13th International Conference on  (Volume:2 )

Date of Conference:

2-4 Jul 1997