Acoustics in Uncertain Ocean Environments

Abstract

The long term goals of this project are 1) to quantitatively predict the uncertainties in underwater sound propagation predictions that arise from uncertainty in environmental parameters 2) to determine how to exploit in-situ acoustic measurements and the generic propagation characteristics of underwater sound channels in order to enhance the performance of active and passive sonar systems in unknown or uncertain ocean environments, and 3) to predict and understand the characteristics of active and passive time reversal methods in shallow ocean waters. Compared to the first two, the third goal is a secondary priority that stems from the legacy of more than a decade of prior work on acoustic time reversal. It is mentioned here because the author of this report does respond to the continuing technical inquiries and collaboration opportunities in this area when potential US Navy interests are apparent and when such commitments do not adversely impact progress toward the first two goals.

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 2005
Accession Number
ADA572367

Entities

People

  • David R. Dowling

Organizations

  • University of Michigan

Tags

DTIC Thesaurus Topics

  • Acoustic Fields
  • Acoustic Measurement
  • Acoustic Phenomena
  • Acoustics
  • Environment
  • Frequency
  • Measurement
  • Ocean Environments
  • Oceans
  • Passive Sonar
  • Probability
  • Probability Density Functions
  • Signal Processing
  • Sonar
  • Uncertainty
  • Underwater Sound
  • Water Tunnels

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Oceanography.
  • Systems Analysis and Design