Canonic signed digit Chebyshev FIR filter design

Yassin M. Hasan, Lina Karam, Matt Falkinburg, Art Helwig, Matt Ronning

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

A new algorithm is presented for the design of fixed point finite impulse response (FIR) digital filters that can be realized using a minimal number of adders while satisfying both the desired hardware implementation constraints and the frequency domain design constraints. The proposed algorithm makes use of a two-stage search method with a new soft-switching optimization criterion, minimizing the Chebyshev error norm in a discrete sanonic signed digit (CSD) space. The proposed design method is implemented as a Matlab-based software package (CSDFIR) that allows the design of both Chebyshev optimal floating point and fixed point CSD FIR filters.

Original languageEnglish (US)
Pages (from-to)167-169
Number of pages3
JournalIEEE Signal Processing Letters
Volume8
Issue number6
DOIs
StatePublished - Jun 1 2001

ASJC Scopus subject areas

  • Signal Processing
  • Electrical and Electronic Engineering
  • Applied Mathematics

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