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    Publication Date: 2022-05-25
    Description: Author Posting. © Acoustical Society of America, 2009. This article is posted here by permission of Acoustical Society of America for personal use, not for redistribution. The definitive version was published in Journal of the Acoustical Society of America 125 (2009): 66-72, doi:10.1121/1.3035828.
    Description: A tank experiment has been conducted to measure reflection of underwater sound from surface waves. Reflection from a wave crest leads to focusing and caustics and results in rapid variation in the received waveform as the surface wave moves. Theoretical results from wavefront modeling show that interference of three surface reflected eigenrays for each wave crest produces complicated interference waveforms. There is good agreement between theory and experiment even on the shadow side of caustics where there are two surface reflected arrivals but only one eigenray.
    Description: The support of the Office of Naval Research, Grant No. N00014-04-1-0728, is gratefully acknowledged
    Keywords: Acoustic wave reflection ; Eigenvalues and eigenfunctions ; Surface acoustic waves ; Underwater sound
    Repository Name: Woods Hole Open Access Server
    Type: Article
    Format: application/pdf
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