Tuqan, Jamal and Vaidyanathan, P.P. (1996) Optimum quantization of a class of non-bandlimited signals. In: Asilomar Conference on Signals, Systems and Computers, 30th, 1996. Vol.2. IEEE , Piscataway, NJ, pp. 1396-1400. ISBN 0-8186-7646-9. https://resolver.caltech.edu/CaltechAUTHORS:TUQasilo96
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Abstract
We consider the quantization of a special class of non bandlimited signals, namely the class of discrete time signals that can be recovered from their decimated version. Similar to sigma-delta modulation ideas, we show that we can obtain a great reduction in the quantization noise variance due to the oversampled nature of these signals. We then consider noise shaping by optimizing a pre- and post filter around the quantizer and develop a closed form expression for the coding gain of the scheme under study. The use of an orthonormal filter bank as a sophisticated quantizer is investigated and several examples are provided.
| Item Type: | Book Section | ||||||
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| Additional Information: | © 1996 IEEE. Reprinted with Permission. Publication Date: 3-6 Nov. 1996. Work supported in parts by Office of Naval Research grant N00014-93-1-0231, Tektronix, Inc., and Rockwell International. | ||||||
| Subject Keywords: | circuit noise; circuit optimization; digital filters; discrete time filters; encoding; interference suppression; quantization (signal); signal reconstruction ; signal sampling; closed form expression; coding gain; decimated version; discrete time signals; noise shaping; nonbandlimited signals; optimum quantization; orthonormal filter bank; oversampled nature; postfilter; prefilter; quantization noise variance; sigma-delta modulation | ||||||
| DOI: | 10.1109/ACSSC.1996.599181 | ||||||
| Record Number: | CaltechAUTHORS:TUQasilo96 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:TUQasilo96 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 10459 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | INVALID USER | ||||||
| Deposited On: | 09 May 2008 | ||||||
| Last Modified: | 08 Nov 2021 21:08 |
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