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Proceedings Paper

Instantaneous bandwidth of multicomponent signals
Author(s): Patrick J. Loughlin; Keith L. Davidson
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Paper Abstract

As with the case of instantaneous frequency, it is often difficult to interpret the instantaneous bandwidth of most signals: both quantities typically range beyond the spectral support of the signal, yielding the paradox that the instantaneous bandwidth (and frequency) can be greater than the global bandwidth of the signal. A new definition of instantaneous frequency that does not suffer from this difficulty has recently been given, and we build on those results here to obtain a new definition of instantaneous bandwidth. Kernel constraints for a Cohen-class time-frequency distribution to yield these new results for its conditional moments are also given.

Paper Details

Date Published: 2 November 1999
PDF: 15 pages
Proc. SPIE 3807, Advanced Signal Processing Algorithms, Architectures, and Implementations IX, (2 November 1999); doi: 10.1117/12.367677
Show Author Affiliations
Patrick J. Loughlin, Univ. of Pittsburgh (United States)
Keith L. Davidson, Univ. of Pittsburgh (United States)


Published in SPIE Proceedings Vol. 3807:
Advanced Signal Processing Algorithms, Architectures, and Implementations IX
Franklin T. Luk, Editor(s)

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