Direct design of recursive digital filters based on a new stability test |
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| Authors: | V. Ramachandran C.S. Gargour M. Ahmadi M.T.H. Boraie |
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| Affiliation: | Department of Electrical Engineering, Concordia University, Montreal, Quebec, H3G 1M8, Canada;Ecole Polytechnique, University of Montreal, Montreal, Quebec, Canada;Department of Electrical Engineering, University of Windsor, Windsor, Ontario, N9B 3P4, Canada |
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| Abstract: | In this paper we present an alternative approach to the direct design of 1-D recursive digital filters satisfying prescribed magnitude specifications with or without constant group delay characteristic. This method uses an iterative method to calculate the coefficients of the filter's transfer function and guarantees the stability of the designed filter using a new stability test reported by Ramachandran and Gargour. To illustrate the usefulness of the technique, examples are given. |
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