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    Acoustic sampling volume

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    JAS000959.pdf (876.5Kb)
    Date
    1991-08
    Author
    Foote, Kenneth G.  Concept link
    Metadata
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    Citable URI
    https://hdl.handle.net/1912/5645
    As published
    https://doi.org/10.1121/1.401963
    DOI
    10.1121/1.401963
    Keyword
     Signal processing; Acoustic measurements; Remote sensing; Seas; Fishes; Backscattering 
    Abstract
    Knowledge of the acoustic sampling volume is necessary in many quantitative applications of acoustics. In general, the sampling volume is not merely a characteristic of the transmitting and receiving transducers, but also depends on the concentration and scattering properties of the target, the kind of signal processing performed on the echo, and the detection threshold. These dependences are stated explicitly in formulas for the sampling volume and a differential measure, the effective equivalent beam angle. Numerical examples are given for dispersed or dense concentrations of both point scatterers and directional fish scatterers. Application of theory to optical and other remote sensing techniques is mentioned.
    Description
    Author Posting. © Acoustical Society of America, 1991. 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 90 (1991): 959-964, doi:10.1121/1.401963.
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    • Applied Ocean Physics and Engineering (AOP&E)
    Suggested Citation
    Journal of the Acoustical Society of America 90 (1991): 959-964
     

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