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A moment method solution of a rectangular microstrip radiator is presented. This solution incorporates a special treatment of the current singularities at the feed and at the edges of the patch. The two dimensional distribution of the surface current vector on the microstrip radiator is obtained by a fast convergent computational procedure. A comprehensive set of computed results for the current density on the radiator is presented and discussed.
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Levine et al. (1989) studied this question.
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