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On the Design of LP IIR Filters with Arbitrary Frequency Response

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Title: On the Design of LP IIR Filters with Arbitrary Frequency Response
Author: Vargas, Ricardo; Burrus, C. Sidney
Type: Conference paper
Keywords: IIR; IRLS; LP
Publisher: IEEE
Citation: R. Vargas and C. S. Burrus, "On the Design of LP IIR Filters with Arbitrary Frequency Response," vol. 6, pp. 3829-3832, 2001.
Abstract: This paper introduces an iterative algorithm for designing IIR digital filters that minimize a complex approximation error in an Lp sense. The algorithm combines ideas that have proven successful in the similar problem of Lp FIR filter design. We use iterative prefiltering techniques common in applications such as parameter estimation together with an Iterative Reweighted Least Squares (IRLS) method. The result is a double iterative approach that generates IIR filters of arbitrary magnitude and phase response and arbitrary numerator and denominator orders. Such filters can be used in a variety of applications in which the typical L2 or Minimax error criteria might not be suitable.
Date Published: 2001-05-01

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  • ECE Publications [1048 items]
    Publications by Rice University Electrical and Computer Engineering faculty and graduate students
  • DSP Publications [508 items]
    Publications by Rice Faculty and graduate students in digital signal processing.