Modeling and Measuring Fish Backscatter at Multiple Frequencies

Abstract

The long-term goal of this program is to quantify, understand and predict acoustic backscatter from fish. Objectives of this project include: quantifying the relative importance of biological and physical factors that influence variability in backscatter amplitudes; comparing backscatter measures to predicted amplitudes from anatomically-based scattering models; examining the application of sonar technologies to the enumeration and discrimination of acoustic targets; and acoustically quantifying size distributions, abundances, and behaviors of fish.

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 1999
Accession Number
ADA629871

Entities

People

  • J. Michael Jech
  • John K. Horne

Organizations

  • National Oceanic and Atmospheric Administration

Tags

DTIC Thesaurus Topics

  • Aquatic Organisms
  • Backscattering
  • Fish
  • Fisheries
  • Frequency
  • Great Lakes
  • Oceanography
  • Scattering

Fields of Study

  • Physics

Readers

  • Acoustical Oceanography.
  • Aquatic Ecology