Nonstationary spectral analysis based on time-frequency operator symbols and underspread approximations

DOI10.1109/TIT.2005.864419zbMath1317.94028MaRDI QIDQ3547359

Gerald Matz, Franz Hlawatsch

Publication date: 21 December 2008

Published in: IEEE Transactions on Information Theory (Search for Journal in Brave)

Mathematics Subject Classification ID

Random fields; image analysis (62M40) Inference from stochastic processes and spectral analysis (62M15) Signal theory (characterization, reconstruction, filtering, etc.) (94A12)

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Uniqueness and reconstruction theorems for pseudodifferential operators with a bandlimited Kohn-Nirenberg symbol ⋮ Mode-stirred reverberation chambers: a paradigm for spatio-temporal complexity in dynamic electromagnetic environments ⋮ Realizable algorithm for approximating Hilbert-Schmidt operators via Gabor multipliers ⋮ Gabor discretization of the Weyl product for modulation spaces and filtering of nonstationary stochastic processes

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