Domínguez Jiménez, María Elena (2008) A new general expression for 2-channel FIR paraunitary filterbanks. Signal Processing, 88 (7). 1725 - 1732. ISSN 0165-1684
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| Item Type: | Article | ||||
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| Authors/Creators: |
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| Title: | A new general expression for 2-channel FIR paraunitary filterbanks | ||||
| Publisher: | Elsevier | ||||
| Journal/Publication Title: | Signal Processing | ||||
| Date: | July 2008 | ||||
| Volume: | 88 | ||||
| Number: | 7 | ||||
| Department: | Mathematics Applied to Industrial Engineering | ||||
| Faculty: | E.T.S.I. Industrial (UPM) | ||||
| Creative Commons licenses: | Recognition - No derivative works - No commercial | ||||
| Item ID: | 2679 | ||||
| Subjects: | Telecommunications Industrial Engineering Mathematics |
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Official URL: http://www.elsevier.com/wps/find/journaldescription.cws_home/505662/description#description
Abstract
This paper provides a new explicit expression for all real FIR paraunitary filters. From this we derive a new procedure for the design of the L components of any 2-channel FIR orthogonal L-tap filter. The input of this algorithm is any set of L/2 free parameters. Moreover, our procedure provides a parameterization of all orthogonal filters directly, with no need for iterations. For the special case of low-pass paraunitary filters, we obtain a fast new design algorithm. Simplified expressions for the frequency response of paraunitary filters are also provided. In addition to these improvements, our results also yield exact solutions of a particular set of Bézout polynomial equations.
| Item Type: | Article |
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| Uncontrolled Keywords: | FIR filters; paraunitary 2-channel filterbanks; filter design; Bézout equations |
| Subjects: | Telecommunications Industrial Engineering Mathematics |
| Código ID: | 2679 |
| Depositado Por: | Memoria Investigacion |
| Depositado el: | 25 Mar 2010 11:16 |
| Last Modified: | 25 Mar 2010 12:04 |
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