Abstract

The high-frequency method for solving the scattering from coated targets of electrically large size in half space is presented. In order to consider the scattering fields of the targets in half space, the half-space physical-optic (PO) method is deduced by introducing the half-space Green's function into the conventional PO method. Combined with the graphical-electromagnetic computing method to read the geometric information of all visible facets, the impedance boundary conditions are utilised to account for the targets-covered with radar-absorbing material in half space. The numerical results show that this method is efficient and accurate.

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