Shielding Effectiveness of Three Dimensional Gratings using the Periodic FDTD Technique and CPML Absorbing Boundary Condition

Abstract

This paper examines the benefits of grating thickness in regards to enhancing EMI attenuation. Analysis is performed using the FDTD technique using periodic boundary conditions along with new formulations of the CPML absorbing boundary. Furthermore, it is demonstrated that a simple waveguide below cutoff approximation provides accurate results for the normal incident plane wave case.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2005
Accession Number
ADA447323

Entities

People

  • J. A. Roden
  • J. P. Skinner
  • Steven L. Johns

Organizations

  • The Aerospace Corporation

Tags

Communities of Interest

  • Air Platforms
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Abstracts
  • Angle Of Incidence
  • Attenuation
  • Boundaries
  • Electromagnetic Radiation
  • Equations
  • Evanescent Waves
  • Frequency
  • Frequency Domain
  • Geometry
  • Information Operations
  • Mathematics
  • Plane Waves
  • Shielding
  • Thickness
  • Three Dimensional
  • Waves

Fields of Study

  • Physics

Readers

  • Control Systems Engineering.
  • Microwave Engineering.