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Wideband maximally flat fractional-delay allpass filters

Jahani Yekta, M. M ; Sharif University of Technology | 2010

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  1. Type of Document: Article
  2. DOI: 10.1049/el.2010.3582
  3. Publisher: 2010
  4. Abstract:
  5. The maximally flat (MF) fractional-delay (FD) allpass filter, also known as Thiran's allpass filter, is one of the most popular IIR FD systems which is typically deployed in its causal forms. It is shown that if this causality constraint is removed, MFFD allpass filters with considerably wider bandwidths can be obtained. In many applications this extra bandwidth is worth having a non-causal system
  6. Keywords:
  7. All-pass filter ; Causality constraint ; Maximally flat ; Non-causal systems ; Wide-band ; Bandwidth ; Finite difference method ; IIR filters
  8. Source: Electronics Letters ; Volume 46, Issue 10 , May , 2010 , Pages 722-723 ; 00135194 (ISSN)
  9. URL: http://ieeexplore.ieee.org/document/5466366