Technical Program

Paper Detail

Session:Stationary Signals and Spectral Analysis
Time:Wednesday, May 19, 14:00 - 14:20
Presentation: Lecture
Topic: Signal Processing Theory and Methods: Stationary Signals & Spectrum Analysis
Authors: Mohamed Elfataoui; University of Vermont 
 Gagan Mirchandani; University of Vermont 
Abstract: In this paper we consider a common procedure \cite{marple} for generating analytic signals and show how it fails for specific discrete-time real signals. A new frequency domain technique is formulated that solves the defect. Both methods have the same redundancy. The new analytic signal preserves the original signal (real part) as also the zeros of its discrete spectrum in the negative frequencies. The superiority of the new method isin the introduction of one additional zero of the continuous spectrum of the original signal at a negative frequency and a corresponding reduction in shiftability.

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