Remarks on the Radiative Transfer Approach to Scattering of Electromagnetic Waves in Layered Random Media

Abstract

The radiative transfer (RT) approach is widely used in applications involving scattering from layered random media with rough interfaces. Although it has been successful in several applications in various disciplines, it is well known that this approach involves certain approximations. In this document these assumptions and approximations are reexamined. To enable this, a statistical wave approach is employed to this problem and the governing equations for the first and second moments of the wave functions are derived. A transition is hence made to arrive at a system of equations corresponding to that of the RT approach. It is hence found that more conditions are implicitly involved in the RT approach than generally believed to be sufficient.

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Document Details

Document Type
Technical Report
Publication Date
Mar 01, 2010
Accession Number
ADA571043

Entities

People

  • Saba Mudaliar

Organizations

  • Air Force Research Laboratory

Tags

Communities of Interest

  • Air Platforms
  • Materials and Manufacturing Processes
  • Sensors

DTIC Thesaurus Topics

  • Air Force
  • Air Force Facilities
  • Air Force Research Laboratories
  • Base Closures
  • Boltzmann Equation
  • Boundaries
  • Electromagnetic Scattering
  • Equations
  • Geometry
  • Government Procurement
  • Governments
  • Military Research
  • Plane Waves
  • Radiative Transfer
  • Scattering
  • Transitions
  • Wave Functions

Readers

  • Atmospheric Science / Meteorology, specifically Wind Wave Turbulence.
  • Finite Element Method (FEM) for solving Partial Differential Equations (PDEs)
  • Statistical inference.