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Planar Fabry–Perot directive antenna: a simplified analysis by equivalent circuit approach

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  • G. Di Massa
  • S. Costanzo
  • H.O. Moreno

Abstract

A new approach is proposed for the analysis and design of a planar Fabry–Perot antenna. The complete modal analysis of the field into the cavity leads to a simplified equivalent circuit, able to provide a reliable description of the coupling with the feeding waveguide, as well as to compute the equivalent currents on the radiating apertures, thus obtaining the radiated far-field. The proposed approach is preliminary validated on a metallic Fabry–Perot antenna structure. Then, a modified configuration, based on a cavity partially-filled with a dielectric substrate, is assumed to obtain a Fabry–Perot antenna with improved bandwidth features. Experimental validations on array prototypes are successfully discussed.

Suggested Citation

  • G. Di Massa & S. Costanzo & H.O. Moreno, 2015. "Planar Fabry–Perot directive antenna: a simplified analysis by equivalent circuit approach," Journal of Electromagnetic Waves and Applications, Taylor & Francis Journals, vol. 29(2), pages 261-274, January.
    • Handle: RePEc:taf:tewaxx:v:29:y:2015:i:2:p:261-274
    DOI: 10.1080/09205071.2014.997838
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