The need for a protective dielectric cover is becoming more relevant in waveguide slot arrays, especially in space applications. The aim of this paper is to describe a rigorous Method of Moment approach to the analysis of a dielectric-covered longitudinal shunt slot, taking into account the effect of the wall thickness. The whole procedure has been devised aiming at a time effective but precise way to compute the slot admittance, tailored to the needs of design procedures for slot arrays. Simulated results are compared with experimental data, resulting in a very good agreement.
A rigorous analysis of dielectric-covered narrow longitudinal shunt slots with finite wall thickness
MAZZARELLA, GIUSEPPE;MONTISCI, GIORGIO
1999-01-01
Abstract
The need for a protective dielectric cover is becoming more relevant in waveguide slot arrays, especially in space applications. The aim of this paper is to describe a rigorous Method of Moment approach to the analysis of a dielectric-covered longitudinal shunt slot, taking into account the effect of the wall thickness. The whole procedure has been devised aiming at a time effective but precise way to compute the slot admittance, tailored to the needs of design procedures for slot arrays. Simulated results are compared with experimental data, resulting in a very good agreement.
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