A Review of Optimisation Techniques for Layered Radar Materials Including the Genetic Algorithm

Abstract

The absorption of microwaves by a material depends on the properties of the material and its structure. Broadband absorbers can be fabricated by stacking resistive sheets separated by low dielectric spacers with a thickness of a quarter wavelength. This type of multilayered resonant absorber is called the Jaumann absorber. In this paper optimal design techniques for multilayer microwave absorbers are reviewed. These methods include analytical approximations, gradient optimisation routines, simulated annealing and the genetic algorithm. The genetic algorithm is a highly parallel stochastic technique that permits multi-objective optimisation and has a high probability of finding the global minimum.

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Document Details

Document Type
Technical Report
Publication Date
Nov 01, 2004
Accession Number
ADA436821

Entities

People

  • Paul Saville

Organizations

  • Defence Research and Development Canada

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Absorption
  • Algorithms
  • Annealing
  • Bandwidth
  • Broadband
  • Electromagnetic Radiation
  • Frequency
  • Frequency Bands
  • Genetic Algorithms
  • Information Operations
  • Materials
  • Microwaves
  • Optimization
  • Probability
  • Radar Absorbing Materials
  • Radiation
  • Thickness

Readers

  • Microwave Engineering.
  • Nanofabrication and Microfabrication.
  • Operations Research

Technology Areas

  • AI & ML
  • AI & ML - Machine Learning Algorithms
  • AI & ML - Neural Networks
  • Biotechnology