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In this work an efficient numerical approach, based on a suitable full-wave unit-cell analysis of arbitrarily-shaped printed structures, is applied to accurately characterize Electromagnetic BandGap (EBG) filters able to improve performance in Active Integrated Antennas (AIAs). In particular, a precise control of impedance values is obtained for harmonic tuning by means of properly designed tapered...
A full-wave numerical approach for the analysis and design of two-dimensional printed periodic structures on a grounded dielectric slab is presented. Electromagnetic band-gap surfaces, metamaterials and leaky-wave antennas are important special cases of structures that can be analysed. The proposed technique permits the analysis of an arbitrary metallisation within the unit cell; it is based on a...
Design strategies are presented for harmonic-tuned active integrated antennas based on the use of microstrip patches and compact photonic bandgap filters. The synthesis of optimal values for the antenna input impedance at the fundamental, second, and third harmonic frequencies is achieved perturbing either the geometry of the antenna or the geometry of the filter, on the basis of an ad-hoc unit-cell...
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