A theoretical study on a circular microstrip antenna in a parallel plate waveguide

The input impedance of a circular microstrip antenna in a parallel plate waveguide is theoretically formulated using the cavity model with the surface admittance at the side aperture. The surface admittance is defined by the magnetic field produced by the equivalent magnetic current at the side aper...

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Bibliographic Details
Published in2012 6th European Conference on Antennas and Propagation (EUCAP) pp. 2483 - 2487
Main Authors Nakamoto, N., Oka, T., Kitazawa, S., Ban, H., Kobayashi, K.
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.03.2012
Subjects
Antenna measurements
circular microstrip antenna
Electromagnetic waveguides
Frequency measurement
Impedance
input impedance
Microstrip antennas
parallel plate waveguide
Resonant frequency
surface admittance
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Summary:The input impedance of a circular microstrip antenna in a parallel plate waveguide is theoretically formulated using the cavity model with the surface admittance at the side aperture. The surface admittance is defined by the magnetic field produced by the equivalent magnetic current at the side aperture and includes the effects of the parallel plates on the antenna. The magnetic field in the parallel plate region is formulated by the Green's function approach. Presented formulation is validated through the comparisons with measurement results.
ISBN:145770918X
9781457709180
ISSN:2164-3342
DOI:10.1109/EuCAP.2012.6205946