Theorems for discrete filtered modulated signals

Authors:
Alan C. Bovik;Joseph P. Havlicek;Mita D. Desai
Affiliations:
Laboratory for Vision Systems, University of Texas, Austin, TX;Laboratory for Vision Systems, University of Texas, Austin, TX;University of Texas at San Antonio, San Antonio, TX
Venue:
ICASSP'93 Proceedings of the 1993 IEEE international conference on Acoustics, speech, and signal processing: digital speech processing - Volume III
Year:
1993

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Abstract

Useful approximations to the responses of discrete linear systems and certain discrete nonlinear systems are developed for input complex AM-FM signals of the form s(m) = a(m) exp [jφ(m)]. These are used to derive limits on simple AM-FM demodulation mechanisms related to the Teager-Kaiser operatar.