Abstract
We consider the problem of symmetric excitation of a cylindrical microstrip antenna by two plane waves. The antenna consists of two radiating elements located symmetrically with respect to the azimuth. Each element can be either a single patch or an array of patches of rectangular-cylindrical shape. The problem is reduced to solving an integral equation by the method of moments. A new representation of the Green's function is used. In this representation, the field singularity at the source and the contribution of surface waves are given in analytical form. The scattered field as a function of frequency, the resonant current distribution on the patches, and the far-field pattern are calculated.
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