Using space-domain resonance in antenna with nonlinear loads

It is carried out a numerical analysis of radiation patterns of a cylinder with nonlinear loads and dielectric coating, as well as two-dimensional array of nonlinear loads on perfectly conducting planes coated by dielectric layer. It is shown that if the thickness and permittivity of cylinder and plane coating correspond to the excitement of surface waves on the third frequency harmonic in layer, i.e. space resonance, the level of the field on the third harmonica frequency is greatly above than in case without coating, and can be compared with the field of fundamental frequency.