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In this paper the numerical validation of an innovative printed reflectarray is presented. The reflecting structure uses a novel kind of enhanced bandwidth re-radiating element, suitable to be optimized by an evolutionary optimization tool. In order to validate the basic concepts and the design procedure of this planar reflector, its analysis with a full-wave software has been performed: the good...
The nature of reflectarray (RA) optimization problems is intrinsically multi-target and therefore the use of a multi-objective optimization scheme is particularly convenient, although it can be computationally expensive. In this paper some considerations on the characterization and optimization of a RA are presented. The results of the use of efficient approaches for the modeling of the planar RA...
The increasing interest among the scientific community of reflectarray antennas in recent years leads to develop effective ad-hoc procedures for the antenna performances optimization, often based on evolutionary iterative algorithms. However, in most of engineering problems such an optimization approach could be very computational expensive, since it could require the computation of a complex fitness...
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