| Paper: | SPTM-P11.9 | ||
| Session: | Filter Banks and Subband Coding | ||
| Time: | Friday, May 21, 09:30 - 11:30 | ||
| Presentation: | Poster | ||
| Topic: | Signal Processing Theory and Methods: Multi-rate Signal Processing & Wavelets | ||
| Title: | HOW TO COMPLETE PARAUNITARY FILTER BANKS AND SIMULTANEOUSLY PRESERVE LINEAR PHASE? | ||
| Authors: | Ying-Jui Chen; Massachusetts Institute of Technology | ||
| Kevin Amaratunga; Massachusetts Institute of Technology | |||
| Abstract: | In this paper, the completion of linear-phase paraunitary filter banks (LPPUFBs) is presented. The method assumes a given M-band LPPUFB-admissible scaling filter H0(z), and finds a parameterization such that the resulting M-1 bandpass/highpass filters Hi(z) and the given filter H0(z) form a LPPUFB. Results from completion of a general PUFB will be used in combination with the LP-generating dyadic-based structure, so that the scaling filter of the resulting LPPUFB is as prescribed and linear phase of the filter bank is guaranteed. | ||
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