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A chiral body of revolution (BOR) which is partially covered by a thin conducting shield is analyzed using the Method of Moments (MOM). The axisymmetric system is excited by a plane wave. The internal fields and the far scattered fields are computed. The problem is solved using the surface equivalence principle. The scattered fields outside the structure are assumed to be produced by an equivalent magnetic surface current that exists on the unshielded part of BOR surface and an external equivalent electric surface current that exists over the entire BOR surface. These two currents are assumed to radiate in the unbounded external medium. Similarly, the internal fields are assumed to be produced by the negative of the above magnetic current and an internal electric surface current that exists over the entire BOR surface, but is an independent unknown only on the shielded part of the BOR surface. These two currents radiate in the unbounded internal medium. Enforcing the boundary conditions at the surface of the BOR results in a set of coupled integral equations for the three equivalent surface currents. These equations are solved numerically using the MOM. The computed results for the partially shielded spherical chiral body are in excellent agreement with other data.

An analytic solution to the problem of scattering of a plane electromagnetic wave by a chirally coated elliptic cylinder defined by PECM boundary condition has been obtained by expanding the different electromagnetic fields in terms of appropriate elliptic wave functions and a set of expansion coefficients. The expansion coefficients associated with the transmitted field inside the coating as well as the scattered field outside the coating are unknown and will be obtained by applying the boundary conditions at various layers. Numerical results have been presented graphically to show the effects of chiral and PEMC materials simultaneously on the bistatic width of scattering from coated elliptic cylinder.

In this paper, we present the analysis of electromagnetic scattering from arbitrarily shaped three-dimensional (3-D) conducting objects coated with dielectric materials. The integral equation treated here is the combined field integral equation (CFIE). The objectives of this paper is to illustrate that only the CFIE formulation is a valid methodology in removing defects, which occur at a frequency corresponding to an internal resonance of the structure. Numerical results of radar cross sections (RCS) for coated conducting structures are presented and compared with other available solutions.

In this paper, the equivalent dipole-moment method (EDM) is extended and applied in the analysis of electromagnetic (EM) scattering by the arbitrarily shaped perfect electric conductor (PEC) targets coated with EM anisotropic media. At first, the volume integral equation and surface integral equation are built in the EM anisotropic material region and on the conducting surface, respectively. Then, the method of moments (MoM) is used to convert the integral equation into a matrix equation and the EDM is employed to reduce the CPU time of the matrix filling procedure. Numerical results are given to demonstrate the versatility of the proposed approach in handing with the EM scattering by arbitrarily shaped PEC targets coated with EM anisotropic media.