Unitary approach to the design of cavity-backed probe-fed antennas

Conference paper (2005)

Authors

CI Coman Microwave Technology and Systems for Radar

I.E. Lager Microwave Technology and Systems for Radar

L.P. Ligthart Microwave Technology and Systems for Radar

Research Group

Microwave Technology and Systems for Radar

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Published Date

2005

Language

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Research Group

Microwave Technology and Systems for Radar

Abstract

This contribution presents a full-wave analysis and the pertaining design strategies for cavity-backed and probe-fed circular microstrip patch antennas. The analysis procedure is based on the Mode Matching Method that was consitently employed fo charcterizing the feeding circuit, the matching network (identified with the microstrip patch) and the radiating rectangular aperture. The modes of the non-canonical waveguide section are calculated by applying the Boundary Intergral - Resonant Mode Expansion technique. The design approach is based on classical mathematical programming algorithms, and aims at optimizing either the scattering parameters of the antenna or the admittance of the matching structure.