| Paper: | SPTM-P4.11 (ICASSP 2003 Paper) | ||
| Session: | Adaptive Filters I | ||
| Time: | Wednesday, May 19, 13:00 - 15:00 | ||
| Presentation: | Poster (ICASSP 2003 Presentation) | ||
| Topic: | Signal Processing Theory and Methods: Nonlinear Systems and Signal Processing | ||
| Title: | BREAKING THE FEEDBACK LOOP OF SIGMA-DELTA MODULATORS | ||
| Authors: | Nguyen T. Thao; City College of The City University of New York | ||
| Abstract: | Although the topic of analog-to-digital (A/D) conversion should fundamentally be part of the signal processing area, paradoxically, very little signal theory has been devoted to it. One reason is that the main technique currently used in data acquisition, called Sigma-Delta modulation, consists of coarse quantization with feedback. This prevents the normal resolution of the output of the system in terms of its input, contrary to the case of linear feedback systems. This paper introduces new tools to solve this problem and enable rigorous signal error analysis of Sigma-Delta modulators. | ||
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