Frequency-independent features of self-similar fractal antennas

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Abstract

A generalized approach to the study of frequency-independent antennas is presented which relies on the recently developed theory of fractal geometry. It is demonstrated that this fractal geometric interpretation allows for the ability to characterize a much wider class of frequency-independent antennas. This includes radiating structures which are self-similar in the discrete sense, the smooth sense, and even the "rough" sense. The antenna configurations in this paper are all self-similar and have been parameterized in terms of a common similarity factor of τ. Finally, it is shown how this new theory of self-similar fractal radiators may be employed to develop a multiband linear array design methodology for which the directive gain is a log-periodic function of frequency.

Original languageEnglish (US)
Pages (from-to)1331-1343
Number of pages13
JournalRadio Science
Volume31
Issue number6
DOIs
StatePublished - Jan 1 1996

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Earth and Planetary Sciences(all)
  • Electrical and Electronic Engineering

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