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Erschienen in:
2010 | OriginalPaper | Buchkapitel
Fractional Filters: An Optimization Approach
verfasst von : Carlos Matos, Manuel Duarte Ortigueira
Erschienen in: Emerging Trends in Technological Innovation
Verlag: Springer Berlin Heidelberg
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The design and optimization of fractional filters is considered in this paper. Some of the classic filter architectures are presented and their performances relatively to an ideal amplitude spectrum evaluated. The fractional filters are designed using the differential evolution optimization algorithm for computing their parameters. To evaluate the performances of all the filters the quadratic error between the computed amplitude is calculated against an ideal (goal) response. The fractional filters have a better behavior, both in the pass and reject-band.