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Time frequency analysis of operators and operator identification
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mathematical Science.
Jacobs University, Bremen.
Philipps-Universität Marburg.
2011 (English)Conference paper, Presentation (Refereed)
Abstract [en]

Analogous to the density criterion for Gabor frames and Riesz bases in the space of square integrable functions, we develop a necessary density condition for time–frequency localized operators in the realm of operator identification. The developed framework can be seen as a generalization of both, the density result for Gabor frames and Riesz bases, and the identifiability theorem for so-called operator Paley–Wiener spaces.

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URN: urn:nbn:se:ltu:diva-31739Local ID: 600d23bd-64dc-4651-9b0c-7382f7cfa048OAI: diva2:1004973
International Conference on Sampling Theory and Applications : 02/05/2011 - 06/05/2011
Godkänd; 2011; 20111209 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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Grip, Niklas
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