Abstract
A hybrid method based on Ray Tracing and Physical Optics for the estimation of the radar cross section of large metallic targets covered with radar absorbing materials is presented. The reflection coefficient of the multilayer structure composed by the metallic layer covered with radar absorbing materials is analytically evaluated through a transmission line model. The accuracy of the Radar Cross Section estimation is validated by full-wave simulations based on the Method of Moments. A corner reflector coated with Radar Absorbing Material (RAM) is used as a test-case of the proposed method. The obtained results exhibit a good agreement if compared against full-wave simulations.
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