Generalized Chebyshev Filters for the Design of IIR Filters and Filter Banks |
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Authors: | Alfonso Fernandez-Vazquez Gordana Jovanovic Dolecek |
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Affiliation: | 1. School of Computer Engineering, National Polytechnic Institute, ESCOM-IPN, 07738?, Mexico City, Mexico 2. Electronics Department, National Institute of Astrophysics, Optics and Electronics (INAOE), 72840?, Tonantzintla, Puebla, Mexico
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Abstract: | This paper introduces the generalized IIR Chebyshev filters. The proposed filters are obtained by applying bilinear transformation to the corresponding analog filters. The novelty of the method is the introduction of a new rational Chebyshev function, which includes Chebyshev Type I and Chebyshev Type II IIR filters as special cases. The application of the proposed digital filters to design perfect reconstruction two-channel filter banks is described. The proposed filters can be applied in orthogonal discrete wavelet transform. |
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