Acoustical Physics

, Volume 64, Issue 2, pp 196–204 | Cite as

Formation Mechanisms for the Spectral Characteristis of Low-Frequency Reverberations and Predictive Estimates

  • B. M. Salin
  • M. B. Salin
Ocean Acoustics. Hydroacoustics


The paper considers the problem of monostatic scattering of low-frequency sound waves by nearsurface volumetric inhomogeneities under conditions of intense wind waves. We calculate the expected shape of the scattered signal spectrum taking into account the distribution of the volumetric inhomogeneities over the surface and their quasiperiodic motion in three-dimensional space under the action of wind waves. For deep-ocean conditions, a carrier frequency of 228 Hz, and a pulse duration longer than 100 s, we compare the experimental data on the shape of the reverberation spectrum with theoretical estimates. We compare the spectral levels of subsurface scattering with similar data on sound scattering directly on the wind-roughed surface.


marine low-frequency reverberation backscattering deep ocean volumetric inhomogeneities wind waves scattering force reverberation spectrum 


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© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Institute of Applied PhysicsRussian Academy of SciencesNizhny NovgorodRussia

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