| Paper: | SPTM-L4.4 | ||
| 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 | ||
| Title: | DISCRETE-TIME ANALYTIC SIGNALS WITH IMPROVED SHIFTABILITY | ||
| 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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