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Volume 11 Issue 1
Aug.  2022
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TANG Ying-wu. SPACE-TIME CORRELATION FUNCTION OF NOISE FIELD IN THE OCEAN[J]. ACTA ACUSTICA, 1986, 11(1): 20-29. DOI: 10.15949/j.cnki.0371-0025.1986.01.002
Citation: TANG Ying-wu. SPACE-TIME CORRELATION FUNCTION OF NOISE FIELD IN THE OCEAN[J]. ACTA ACUSTICA, 1986, 11(1): 20-29. DOI: 10.15949/j.cnki.0371-0025.1986.01.002
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SPACE-TIME CORRELATION FUNCTION OF NOISE FIELD IN THE OCEAN

  • Institute of Acoustics, Academia Sinica

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  • Received Date: October 18, 1983
  • Available Online: August 07, 2022
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    • Abstract
  • In this paper, by means of the plane wave representation for the radiation of a diretional point source, the general expression of space-time correlation function of the noise field in the ocean is derived. This expression is applied to inhomogenous shallow water and inhomogenous deep water. The organic relation of the space-time correlation function of the noise field with ambient parameters is established.
    By means of singularity condition of point （noise） source near the receiver, the calculus of space-time correlation function of the noise field is simplified. Whereas, the space-time correlation function of noise field in homogenous shallow water is calculated with the normal mode method.
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