Least-squares design of linear-phase FIR half-band filters

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Two approaches are described which can be used to design half-band filters for multirate applications. The approaches are based on the method of formulating the weighted mean-square error between the amplitude responses of the practical and ideal filters as a quadratic function. The filter coefficients are obtained by solving a set of linear equations. This method yields filters that are optimal in the least-squares sense. Design examples are provided.

Original languageEnglish (US)
Pages (from-to)283-286
Number of pages4
JournalIETE Journal of Research
Issue number5-6
StatePublished - Jan 1 1994
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • Computer Science Applications
  • Electrical and Electronic Engineering


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