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    A Simple Scheme for Adapting Time-Frequency Representations

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    Author
    Jones, Douglas L.; Baraniuk, Richard G.
    Date
    1994-12-01
    Abstract
    Signal-dependent time-frequency representations, by adapting their functional form to fit the signal being analyzed, offer many performance advantages over conventional representations. In this paper, we propose a simple, efficient technique for continuously adapting time-frequency representations over time. The procedure computes a short-time quality measure of the representation for a range of values of a free parameter and estimates the optimal parameter value maximizing the quality measure via interpolation. Many representations, including the short-time Fourier transform, the cone-kernel distribution, and the continuous wavelet transform, support adaptation, at a computational cost of only a few times that of the corresponding static representations.
    Description
    Journal Paper
    Citation
    D. L. Jones and R. G. Baraniuk, "A Simple Scheme for Adapting Time-Frequency Representations," IEEE Transactions on Signal Processing, vol. 42, no. 12, 1994.
    Keyword
    Temporary; Time Frequency and Spectral Analysis; Temporary
    Type
    Journal article
    Citable link to this page
    https://hdl.handle.net/1911/19983
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    • DSP Publications [508]
    • ECE Publications [1468]

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    Managed by the Digital Scholarship Services at Fondren Library, Rice University
    Physical Address: 6100 Main Street, Houston, Texas 77005
    Mailing Address: MS-44, P.O.BOX 1892, Houston, Texas 77251-1892
    Site Map