Propagation Loss Measurements at 400 Hertz in the BIFI Range Using a Towed Source.

Abstract

This is a report on 400 Hz propagation loss measurements conducted between 25 March and 18 April 1969. These tests are part of a series using the BIFI Range (Reference 1) located between Block Island, Rhode Island and Fishers Island, New York. Three types of acoustic tests were performed, consisting of fixed range-variable depth pulsed CW, variable range-variable depth CW and pulsed CW. The object of these tests was to determine the propagation loss of a 400 Hz signal as a function of range and depths of the source. Depths were chosen to enhance various modes of propagation. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Jan 27, 1971
Accession Number
ADA035881

Entities

People

  • William G. Kanabis

Organizations

  • Naval Underwater Systems Center

Tags

Communities of Interest

  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Acoustic Propagation
  • Acoustic Properties
  • Acoustics
  • Amplitude
  • Block Island
  • Computer Programs
  • Equations
  • Islands
  • Losses
  • Measurement
  • New York
  • Periodic Variations
  • Power Spectra
  • Punched Cards
  • Rhode Island
  • Shallow Water
  • Spectra

Fields of Study

  • Physics

Readers

  • Oceanography.
  • Radar Systems Engineering.
  • Urban Planning and Geography.