Reflection Coefficient of Circular Waveguide Aperture Antenna Covered by Dielectric Radome (original) (raw)

2020

Abstract

This paper is the result of calculating and measuring the reflection coefficient S11S_{11}S11 of an aperture antenna fed by circular waveguide covered with dielectric material. These results help to better understand the influence of dielectrics on the aperture antenna reflection coefficients. Previous research has shown that proper dielectric radome selection can improve antenna impedance matching, and thus this paper deals with the influence of the modification in dielectric type and dielectric thickness on the coefficients of above mentioned antenna. Measurements and simulations showed good broadband impedance matching.

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