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Tang Yingwu. AVERAGE SOUND INTENSITY IN SHALLOW WATER WITH POSITIVE SOUND VELOCITY GRADIENT AND RANDOMLY FLUCTUATING SURFACE[J]. Haiyang Xuebao, 1981, 3(1): 70-78.
Citation: Tang Yingwu. AVERAGE SOUND INTENSITY IN SHALLOW WATER WITH POSITIVE SOUND VELOCITY GRADIENT AND RANDOMLY FLUCTUATING SURFACE[J]. Haiyang Xuebao, 1981, 3(1): 70-78.

AVERAGE SOUND INTENSITY IN SHALLOW WATER WITH POSITIVE SOUND VELOCITY GRADIENT AND RANDOMLY FLUCTUATING SURFACE

  • Received Date: 1980-01-03
  • Assuming that shallow water with a positive sound velocity gradient has a rough surface,the change of surface height is a stationary stochastic process with Gaussian distribution.The normal-modes which can reach receiver are summed according to energy,and an expression for the averaged intensity is then obtained by averaging over the source and receiver depth witthin the turning-depth of pseudo-plane waves corresponding to these normal-modes.Theoretical results are in good agreement with experimental data.The structure of the sound field in the case of a quiet sea surface as a special case of rough surface.
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