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UW48. Bistatic seabed scattering measurements from an autonomous undersea vehicle

  • Charles W. Holland
  • , Chad Smith
  • , Peter L. Nielsen

    Research output: Contribution to journal › Conference article › peer-review

    Abstract

    A bistatic seabed scattering measurement technique is described using a towed source (1600-3500 Hz) and towed array in close proximity to the seabed probing vertical angles from 6-20° and bistatic angles from 126-160°. The data strongly support sediment volume scattering as the mechanism that controls the seabed scattering at 2400 Hz across the entire measured angular range; no free parameters are required to make this determination. Since the measured vertical angular range tends to control long-range reverberation (which is generally controlled by steeper angles than propagation due to the shape of the scattering kernel) the results indicate that long-range reverberation in this area would be controlled by sediment volume and not interface scattering. This conclusion is in agreement with other analyses of long-range reverberation measurements in this area.

    Original languageEnglish (US)
    Article number070007
    JournalProceedings of Meetings on Acoustics
    Volume17
    DOIs
    StatePublished - 2012
    Event11th European Conference on Underwater Acoustics, ECUA 2012 - Edinburgh, United Kingdom
    Duration: Jul 2 2012 → Jul 6 2012

    All Science Journal Classification (ASJC) codes

    • Acoustics and Ultrasonics

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