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Optimization of Finite Word Length Coefficient IIR Digital Filters Through Genetic Algorithms – A Comparative Study

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Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 4222))

Abstract

This paper considers the specific issues relating to finite word length (FWL) coefficient constraints for the case of infinite impulse response (IIR) digital filters. Due to the feedback nature of recursive filters, stability issues are an important factor in their design and are discussed in some detail. Some previously reported work on the optimization of FWL coefficients for IIR filters is also discussed. Extensive range of filter types and structures of IIR filters and their optimization using genetic algorithms is investigated and reported. Finally, comparative tests were conducted using the simple hill climber optimization techniques for a selection of filters.

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© 2006 Springer-Verlag Berlin Heidelberg

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Baicher, G.S. (2006). Optimization of Finite Word Length Coefficient IIR Digital Filters Through Genetic Algorithms – A Comparative Study. In: Jiao, L., Wang, L., Gao, X., Liu, J., Wu, F. (eds) Advances in Natural Computation. ICNC 2006. Lecture Notes in Computer Science, vol 4222. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11881223_79

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  • DOI: https://doi.org/10.1007/11881223_79

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-45907-1

  • Online ISBN: 978-3-540-45909-5

  • eBook Packages: Computer ScienceComputer Science (R0)

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