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In this paper the composite scattering from a sea surface and a plasma-coated target is investigated by the finite-difference time-domain (FDTD) method. Both the sea water and the plasma layer are regarded as the isotropic and dispersive medium, and they satisfy the Debye model and the Drude model, respectively. The auxiliary differential equation (ADE) technique is incorporated into the FDTD scheme to deal with the dispersive medium. The frequency response of composite model is computed for the different polarization. The result shows that the radar cross section (RCS) of a plasma-coated target above a sea surface is reduced obviously.
Date of Conference: Nov. 29 2010-Dec. 2 2010