Sánchez-Escuderos, Daniel; Moy-Li, Hon Ching; Antonino Daviu, Eva; Cabedo Fabrés, Marta; Ferrando Bataller, Miguel(Institute of Electrical and Electronics Engineers, 2017)
[EN] A multilevel Frequency Selective Surface (FSS) formed by a non-uniform distribution of circular holes on a metallic sheet is presented. The FSS is aimed at working as a planar lens to increase the gain of the feeding ...