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Paper Detail

Paper:	SPTM-P4.2
Session:	Sampling, Extrapolation and Interpolation I
Time:	Wednesday, May 17, 10:00 - 12:00
Presentation:	Poster
Topic:	Signal Processing Theory and Methods: Sampling, Extrapolation, and Interpolation
Title:	SENSITIVITY OF HYBRID FILTER BANKS A/D CONVERTERS TO ANALOG REALIZATION ERRORS AND FINITE WORD LENGTH
Authors:	Tudor Petrescu, Jacques Oksman, Ecole Supérieure d'Electricité, France
Abstract:	This paper studies the sensitivity of hybrid filter banks (HFB) to analog inaccuracies and finite word implementation. It is shown that very small errors affecting very simple analog structures have a dramatic influence on the performances of the HFB. The influence of the quantization of digital filter coefficients is also studied. A theoretical limit for the error introduced by the quantization of digital filter coefficients is derived.