Theoretical analysis of a fractal surface radiation |
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Authors: | Thierry AUBRETON Patrick VAUDON Bernard JECKO |
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Affiliation: | 1. ircom-ura au CNRS, 123, avenue Albert-Thomas, F-87060, Limoges, France
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Abstract: | We compare, in this paper, the far field radiated by two fractal distributions of current. The first one is obtained by a fractal cut following the Cantor arrangement, the second one keeps the length of each previous current element, but modifies the distance between the elements which is now taken as a constant. We establish the analytical formulations of the far field at any step n of the Cantor set. Then, we extract the array factor and we analyse and compare the following properties : convergence of the radiation pattern, wide of the main lobe, side lobes level and directivity. |
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