Synthèse de diagramme de rayonnement : disposition optimale des éléments rayonnants.
Résumé
The synthesis of optimal narrow main beam (toward broadside) low sidelobe level linear array is addressed. Only the number of radiating elements of the linear array is constrained. Their positions and the weightings of the elements are left free. To our knowledge this problem has never been addressed from a theoretical point of view. If the desired main lobe width is reasonably narrow with respect to the number of elements, the optimal array has equispaced elements with no holes. It is only when the main lobe width is quite small that a larger aperture is beneficial and that some holes appear in an otherwise equispaced array.
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