Reducing the height of a circular array of monopoles using top hats and dielectric coatings

Januar Janapsatya*, Marek E. Bialkowski

*Corresponding author for this work

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Using a Radial Guide Field Matching Method, an investigation is performed into reducing the height of an electronically steered circular array of monopole antennas composed of a central active element surrounded by passive elements being either short-or open-circuited. It is shown that a considerable height reduction can be achieved using top hats attached to monopoles ends and by applying dielectric coating underneath the top hats. The trade-off in achieving height reduction is narrower impedance bandwidth.

Original languageEnglish
JournalRadio Science
Volume39
Issue number3
DOIs
Publication statusPublished - May 2004

Keywords

  • Antenna arrays
  • Antenna height reduction
  • Monopole antennas

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