Beurling-Type Density Criteria for System Identification

This paper addresses the problem of identifying a linear time-varying (LTV) system characterized by a (possibly infinite) discrete set of delay-Doppler shifts without a lattice (or other “geometry-discretizing”) constraint on the support set. Concretely, we show that a class of such LTV systems is i...

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Veröffentlicht in:	The Journal of fourier analysis and applications 2023-08, Vol.29 (4), Article 45
Hauptverfasser:	Aubel, Céline, Bölcskei, Helmut, Vlačić, Verner
Format:	Artikel
Sprache:	eng
Schlagworte:	Abstract Harmonic Analysis Approximations and Expansions Delay Density Error analysis Fourier Analysis Interpolation Mathematical Methods in Physics Mathematics Mathematics and Statistics Partial Differential Equations Signal,Image and Speech Processing Specific gravity System identification Topology
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