Control of Electromagnetic Scattering by Antenna Impedance Loading

Abstract

The application of impedance loading techniques for the reduction of backscatter from radar targets were studied. The hybrid methods which combine the GTD and the moment method were used to analyze the backscattering from various geometries such as impedance loaded infinite wedge and a two-dimensional wing model. The effect of both the trailing and the leading edge was considered by using a two-dimensional wing model. The edge diffraction source can be considerably reduced over a 3:1 frequency band for the two-dimensional case. The square plate with a loaded slot was analyzed by a wire grid model. The backscatter reduction of the square plate can be achieved at least over a 2:1 frequency band.

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Document Details

Document Type
Technical Report
Publication Date
Jul 01, 1974
Accession Number
ADA004134

Entities

People

  • Shi-chuan Lee

Organizations

  • Ohio State University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Air Force
  • Aircraft Wings
  • Aircrafts
  • Backscatter Reduction
  • Backscattering
  • Computer Programs
  • Computers
  • Current Density
  • Diffraction
  • Electrical Engineering
  • Electromagnetic Scattering
  • Frequency Bands
  • Geometry
  • Integral Equations
  • Magnetic Fields
  • Scattering
  • Two Dimensional

Fields of Study

  • Physics

Readers

  • Electromagnetic Wave Scattering and Antenna Radiation Engineering
  • Fluid Mechanics and Fluid Dynamics.