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DIRECT DESIGN OF APPROXIMATELY LINEAR-PHASE (ALP) 2-D IIR DIGITAL-FILTERS
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UNSPECIFIED (1993) DIRECT DESIGN OF APPROXIMATELY LINEAR-PHASE (ALP) 2-D IIR DIGITAL-FILTERS. ELECTRONICS LETTERS, 29 (9). pp. 804-805. ISSN 0013-5194.
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Abstract
A fast design method is presented for approximately linear phase (ALP) 2-D IIR digital filters composed of a parallel connection of two allpass subfilters. The technique exploits the fact that the filter transform function depends on the phase of each subfilter. A closed form expression is derived for the phase and the filler coefficients of each subfilter are obtained by solving a set of overdetermined linear simultaneous equations.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering | ||||
| Journal or Publication Title: | ELECTRONICS LETTERS | ||||
| Publisher: | IEE-INST ELEC ENG | ||||
| ISSN: | 0013-5194 | ||||
| Official Date: | 29 April 1993 | ||||
| Dates: |
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| Volume: | 29 | ||||
| Number: | 9 | ||||
| Number of Pages: | 2 | ||||
| Page Range: | pp. 804-805 | ||||
| Publication Status: | Published |
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