History of Russian Underwater Acoustics

Acoustical Physics

, Volume 48, Issue 1, pp 110-117

Experimental study of the prereverberation times in deep-water and surface sound channels

  • N. V. StudenichnikAffiliated withAndreev Acoustics Institute, Russian Academy of Sciences

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Abstract

Experimental data on the volume and surface prereverberation are presented. The main prereverberation features and parameters are considered, and the mechanism and theory of the phenomenon are discussed. The range dependences of the prereverberation times are analyzed for different ocean regions and for distances from 180 to 1500 km. Quantitative data on the prereverberation times are presented. The widths of the scattering diagrams are estimated for the underwater and surface sound channels.