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Second IEEE International Workshop on Electronic Design, Test and Applications
Local Search Method for FIR Filter Coefficients Synthesis
Perth, Australia
January 28-January 30
ISBN: 0-7695-2081-2
Zhi Ye, Nanyang Technological University
Chip-Hong Chang, Nanyang Technological University
This paper presents a two-stage local search method for synthesizing finite precision FIR filter coefficients, with the aim to reduce the number of addition/subtraction in the realization of linear phase FIR filters. In the first stage, an initial set of coefficients is formed by taking into consideration the sensitivities of coefficients on frequency response. In the second stage, a tree search algorithm is utilized to achieve the objective function specified by the desirable Normalized Peak Ripple. The size of the search space is also studied.
Citation:
Zhi Ye, Chip-Hong Chang, "Local Search Method for FIR Filter Coefficients Synthesis," delta, pp.255, Second IEEE International Workshop on Electronic Design, Test and Applications, 2004
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