Modelling of Scattering by Objects on the Seabed

Abstract

This paper describes some of the theory and implementation issues of modelling the backscattered energy from cylindrical or spherical objects lying on the seabed. The model utilizes a single-scatter approximation. The effects of various parameters such as grazing angle of the incident energy, receiver/scatterer geometry and the bottom halfspace geoacoustic parameters are investigated numerically. The paper is concluded with a comparison of modelled time series with experimental scattering data obtained for a steel-shelled cylinder and a solid aluminium sphere lying on a sandy seabed.

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Document Details

Document Type
Technical Report
Publication Date
Oct 01, 1997
Accession Number
ADA335394

Entities

People

  • A. Maguer
  • J. A. Fawcett
  • W. L. Fox

Organizations

  • SACLANT ASW Research Centre

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Agreements
  • Aluminum
  • Amplitude
  • Angle Of Incidence
  • Experimental Data
  • Frequency
  • Geometry
  • Grazing Angles
  • Nato
  • Plane Waves
  • Power Spectra
  • Scattering
  • Simulations
  • Spectra
  • Specular Reflection
  • Time Domain
  • Waves

Readers

  • Acoustical Oceanography.
  • Electromagnetic Wave Scattering and Antenna Radiation Engineering