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Selective Digital Filters with Linear Phase

Authors
Publisher
Elsevier GmbH
Publication Date
Volume
56
Issue
2
Identifiers
DOI: 10.1078/1434-8411-54100082
Keywords
  • Digital Filters
  • Parallel Connection Of Allpass Filters
  • Linear Phase

Abstract

Summary A method for synthesis of digital bandpass and bandstop filters obtained by parallel connection of two allpass networks, is considered. A procedure is based on allpass network linear phase approximation at three levels in mini-max sense, which enables obtaining of selectivedigital filters in form of elliptic filters with linear phase in both passband and stopband.

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