THE REFRACTED ARRIVAL FROM A LAYER

Abstract

High-frequency geometric ray theory is used to study the refracted arrival from a layer embedded in an infinite medium. At large ranges, the amplitude decays less rapidly than for an infinitely thick layer. When the ratio of layer thickness to dominant wavelength is large, the refracted arrival may consist of more than one event and each event exhibits distance-limited shingling.

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Document Details

Document Type
Technical Report
Publication Date
Jun 15, 1964
Accession Number
AD0604447

Entities

People

  • T. W. Spencer

Tags

Communities of Interest

  • Air Platforms
  • Cyber
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Air Force
  • Amplitude
  • Angle Of Incidence
  • Contracts
  • Efficiency
  • Elastic Waves
  • Frequency
  • Geophysics
  • Group Velocity
  • Jet Engine Fuels
  • Phase Velocity
  • Refraction
  • Secondary Waves
  • Time Intervals
  • Travel Time
  • Wavefronts
  • Waves

Fields of Study

  • Physics

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.