Characterization of finite signals with low-rank STFT
Résumé
The goal of this paper is characterize finite-length signals that have a low-rank short-time Fourier transform. By using the connection with Hankel matrices, we give a comprehensive answer in case of maximal overlap, where the class of signals includes products of complex exponentials and polynomials. In the general case, other exotic examples may appear.
Origine | Fichiers produits par l'(les) auteur(s) |
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