Low radar cross-section and low cost dipole antenna reflector

G. G. Machado*, M. T. De Melo, H. V.H. Silva Filho, A. G. Neto, T. R. De Souza

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)
16 Downloads (Pure)

Abstract

This paper presents a method for reducing Radar Cross-Section (RCS) of an increased gain metal backed dipole antenna. Numerical simulations were done and compared to a laboratory experiment. The results show that when a Perfect Electrical Conductor (PEC) is replaced by a Frequency Selective Surface (FSS), the antenna is still able to perform with the desired characteristics, but the RCS of the structure is greatly reduced out of band. The design of the FSS and the return loss, gain improvement, and RCS are presented for an antenna operating at 4.2GHz, and the results are compared with a conventional metal backed layout. Measurements show a good agreement with the simulations, and so the advantages on other structures from the reviewed literature are mentioned.

Original languageEnglish
Pages (from-to)25-32
Number of pages8
JournalAdvanced Electromagnetics
Volume6
Issue number3
DOIs
Publication statusPublished - 20 Oct 2017
Externally publishedYes

Bibliographical note

Funding Information:
This work has been supported by the National Counsel of Technological and Scientific Development (CNPq) from Brazil, during overseas studies in Queen’s University Belfast. I also would like to thank Professor Robert Cahill, for assisting in the beginning of this work.

Publisher Copyright:
© 2012-2017 by Advanced Electromagnetics.

Copyright:
Copyright 2017 Elsevier B.V., All rights reserved.

Keywords

  • Antenna
  • Electronic warfare
  • Frequency selective surface
  • Radar cross-section
  • Radiation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Radiation
  • Electrical and Electronic Engineering

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