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    Localization of soniferous fish using a sparse hydrophone array and conventional steered response power method

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    DEVILLE-MASTERSTHESIS-2019.pdf (21.96Mb)

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    Author
    Deville, Phillip M
    Abstract
    A sparse seven-channel hydrophone array was deployed in intertidal marsh creeks located within the North-Inlet-Winyah-Bay Nature Reserve at Baruch Marine Field Laboratory in Hobcaw Barony, Georgetown, South Carolina, USA. for the purpose of localizing the sounds produced by local fish and invertebrates. A conventional approach to localize sound sources was used, consisting of a delay-and-sum beamforming algorithm known as steered response power (SRP) applied to the seven-channel array data during post-processing. This was accomplished by delaying the signal recorded by each channel and combining the signals to “listen” to sounds propagating through the array from candidate source locations. The power of the combined signal was maximized, yielding a likely location for the source position. Two-dimensional localization of the soniferous fishes is possible, with a reasonable degree of robustness to noise and aliasing effects of spatial under-sampling. Accuracy is limited due to field measurements and the number of sound producers in the area.
    URI
    http://hdl.handle.net/10342/7596
    Subject
     steered response; beamforming; acoustic source localization; underwater sound; fish sound production 
    Date
    2019-12-10
    Citation:
    APA:
    Deville, Phillip M. (December 2019). Localization of soniferous fish using a sparse hydrophone array and conventional steered response power method (Master's Thesis, East Carolina University). Retrieved from the Scholarship. (http://hdl.handle.net/10342/7596.)

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    MLA:
    Deville, Phillip M. Localization of soniferous fish using a sparse hydrophone array and conventional steered response power method. Master's Thesis. East Carolina University, December 2019. The Scholarship. http://hdl.handle.net/10342/7596. August 09, 2022.
    Chicago:
    Deville, Phillip M, “Localization of soniferous fish using a sparse hydrophone array and conventional steered response power method” (Master's Thesis., East Carolina University, December 2019).
    AMA:
    Deville, Phillip M. Localization of soniferous fish using a sparse hydrophone array and conventional steered response power method [Master's Thesis]. Greenville, NC: East Carolina University; December 2019.
    Collections
    • Master's Theses
    • Physics
    Publisher
    East Carolina University

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