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The analysis and design of a low-profile Fabry-Pérot (FP) cavity antenna comprising an active metasurface are presented. The antenna under investigation is formed by embedding a feeding source in a cavity composed of a Perfect Electrical Conductor (PEC) surface and a metasurface reflector. Several configurations of such antennas are presented to achieve different desired performances such as high...
The modeling and characterization of a broadband frequency agile metamaterial‐based cavity antenna around 2 GHz is reported in this article.An electronically active metasurface composed of simultaneously a capacitive and an inductive grid is used as a partially reflecting surface (PRS), and the cavity is excited by an array of four wideband L‐strip fed printed microstrip patch antennas. The incorporation...
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