Non-Destructive Evaluation of Materials Using Pulsed Microwave Interrogating Signals and Acoustic Wave Induced Reflections

Abstract

A class of inverse problems is formulated for the estimation of material dielectric parameters using reflections of pulsed microwave interrogating signals from moving acoustic interfaces in the dielectric. A model for acoustic pressure-dependence of material constitutive parameters in Maxwell's equations is presented and analyzed. Theoretical and computational findings for approximation and estimation are given.

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Document Details

Document Type
Technical Report
Publication Date
Jun 01, 2002
Accession Number
ADA405651

Entities

People

  • H. Thomas Banks
  • J. K. Raye
  • R. A. Albanese

Organizations

  • North Carolina State University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Acoustic Waves
  • Air Force
  • Air Force Research Laboratories
  • Data Sets
  • Dielectric Permittivity
  • Dielectrics
  • Dipole Moments
  • Electric Fields
  • Electromagnetic Fields
  • Electromagnetic Wave Propagation
  • Equations
  • Frequency
  • Inverse Problems
  • Materials
  • Microwaves
  • Reflection
  • Test And Evaluation

Fields of Study

  • Physics

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Reinforced Composite Materials
  • Statistical inference.