Irregular and multi--channel sampling of operators

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The classical sampling theorem for bandlimited functions has recently been generalized to apply to so-called bandlimited operators, that is, to operators with band-limited Kohn-Nirenberg symbols. Here, we discuss operator sampling versions of two of the most central extensions to the classical sampling theorem. In irregular operator sampling, the sampling set is not periodic with uniform distance. In multi-channel operator sampling, we obtain complete information on an operator by multiple operator sampling outputs.

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Functional Analysis, Classical Analysis and ODEs, 94A20, 94A40, 47G30

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http://salesiana.dossiersoluciones.com/handle/123456789/222393

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0903.1082
 http://arxiv.org/abs/0903.1082

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arXiv