The Influence of an Acoustically Thin Dome upon the Parametric Generation Efficiency of a Planar Array

Abstract

Numerical results are presented for a planar thin dome model showing how the dome influences the parametric generation efficiency at steering angles of 0, 20, and 45 deg. An extension of the model to the thick dome case is also included. During the next quarter, a comparison will be made between the thick and thin dome cases in order to develop a more quantitative criterion for judging whether a dome is acoustically thin for the higher primary frequencies of a parametric sonar.

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Document Details

Document Type
Technical Report
Publication Date
Aug 06, 1973
Accession Number
ADA067113

Entities

People

  • Boyd B. Cary Jr.
  • Bruce Hamilton

Organizations

  • Tracor

Tags

Communities of Interest

  • Air Platforms
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Acoustic Impedance
  • Amplitude
  • Cartesian Coordinates
  • Coefficients
  • Demographic Cohorts
  • Difference Frequency
  • Doppler Effect
  • Efficiency
  • Frequency
  • Frequency Shift
  • Integrals
  • Modulus Of Elasticity
  • New Jersey
  • Pressure Distribution
  • Sea Water
  • Thickness
  • Waves

Fields of Study

  • Physics

Readers

  • Fluid Dynamics.
  • Marine Mammal Biology
  • Phased Array Antenna Design.