Application of s-transforms to the study of modulational interactions of waves

Brian T. Linfoot, Julian Wolfram, Paul Stansell

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    Records of storms in the North Sea are analyzed for evidence that wave groups may be composed of independently propagating components. The Stockwell transform (S-Transform) is used to obtain time-frequency contour plots of wave energy for simulated idealized, interacting wave groups. Additionally, simulated groups with independent directional components, are analyzed using both the S-transform and the Iterative Maximum Likelihood Method to resolve the directions and frequency. Both techniques are applied to the analysis of North Sea storm data obtained from a 3-point array showing that real wave groups can be formed of interacting components that may be propagating in different directions.

    Original languageEnglish
    Title of host publicationProceedings of the International Symposium on Ocean Wave Measurement and Analysis
    Pages754-763
    Number of pages10
    Volume1
    Publication statusPublished - 2001
    EventFourth International Symposium, Waves 2001 - San Francisco, CA, United States
    Duration: 2 Sep 20016 Sep 2001

    Conference

    ConferenceFourth International Symposium, Waves 2001
    CountryUnited States
    CitySan Francisco, CA
    Period2/09/016/09/01

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  • Cite this

    Linfoot, B. T., Wolfram, J., & Stansell, P. (2001). Application of s-transforms to the study of modulational interactions of waves. In Proceedings of the International Symposium on Ocean Wave Measurement and Analysis (Vol. 1, pp. 754-763)