Antonio De Matteis

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Evolutionary algorithms (EAs) have had a widespread diffusion and have demonstrated to be very effective techniques for the design of antenna arrays. However, the main limitations are the high computational burden and low convergence speed which stimulated researchers towards the development of even more effective approaches or the definition of suitable(More)
An effective synthesis strategy for the optimal design of reconfigurable planar arrays generating sum and difference patterns for monopulse radar applications is presented in this work. The problem is formulated as a mask-constrained power pattern synthesis where arbitrary sidelobe bounds can be included and the two beams share a set of array excitations in(More)
OBJECTIVE To detect the myocardial involvement in patients with systemic sclerosis (SSc) by signal averaged electrocardiography method (SA-ECG) in relationship to the skin changes. METHODS We selected 24 SSc outpatients according to American Rheumatism Association criteria, without clinical and instrumental evidence of cardiac disease, and compared them(More)