Abstract

This work presents a study of the electromagnetic performance of classical and shaped omnidirectional dual-reflector antennas in millimeter waves. An algorithms based on the concatenation of conic sections has been used to synthesize sub- and main-reflectors in order to provide a uniform phase and amplitude aperture distributions. The frequency analysis is focused on antenna radiation patterns across a 20% bandwidth, in order to establish band limits for omnidirectional dual-reflector antennas. The rigorous electromagnetic analysis was accomplished by a hybrid technique based on Mode Matching and Method of Moments.

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