Abstract
This communication investigates the convergence behaviour and accuracy of a near-field corrected iterative physical optics scheme for scatterings by imperfectly conducting and dielectric objects. The scatterings by large and complex impedance surface bodies such as fixed wing aircraft, rotatory wing aircraft, tank, vessel, and boat are computed and compared with those of a full-wave method. Several RF characteristics of a Von-Karman radome are also analysed and compared as a wave penetration application. Based on these comparisons, the near-field correction effect is examined on the accuracy of the iterative physical optics scheme.
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