Discrete Gabor structures and optimal representations

The idea of Gabor's (1946) signal expansion is to represent a signal in terms of a discrete set of time-shifted and frequency modulated signals that are localized in the time-frequency (or phase) space. We present detailed descriptions of the block and banded structures for the Gabor matrices....

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Veröffentlicht in:	IEEE transactions on signal processing 1995-10, Vol.43 (10), p.2258-2268
Hauptverfasser:	Qiu, S., Feichtinger, H.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Discrete transforms Exact sciences and technology Fourier transforms Frequency Gaussian processes Information, signal and communications theory Lattices Mathematical methods Mathematics Phase modulation Sampling methods Sparse matrices Telecommunications and information theory
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