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Abstract
The problem of electromagnetic scattering of a normally incident plane wave from a coated conducting notched circular cylinder is solved. The coating material and the notch material have arbitrary permittivity and permeability values, and the incident wave is either TM or TE polarized. Numerical results of backscattering cross section calculations are presented, and the dependence of the cross section on the various physical parameters is investigated. The coated notched cylinder possesses characteristic electromagnetic resonances that manifest themselves in the scattering patterns.