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Antenna Bandwidth Optimization with Single Frequency Simulation

In English

Författare

Summary, in English

A method to compute antenna Q using an electromagnetic

simulation at a single frequency is described. This

method can easily be integrated into global optimization algorithms.

In this way the optimization time of some antenna

parameters, e.g., bandwidth, may be significantly reduced. The

method is validated by direct comparison with the physical bound

of the analyzed structure. Numerical examples for rectangular

antennas and antennas with a rectangular ground plane illustrate

the integration of the method into a genetic algorithm. The results

predicted by optimization agree very well with those obtained

using a commercial electromagnetic solver. These results suggest

that the method can be used to yield antennas with Q factors

within 20% of their corresponding physical bound.

Publiceringsår

2014

Språk

Engelska

Sidor

1304-1311

Publikation/Tidskrift/Serie

IEEE Transactions on Antennas and Propagation

Volym

62

Issue

3

Dokumenttyp

Artikel i tidskrift

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

  • Antenna theory
  • Physical limitations
  • Antenna Q
  • Genetic Algorithm
  • Method of Moments

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0018-926X