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A domain decomposition method based on equivalence principle algorithm is used for analyzing and calculating radiation problems of large-scale arrays. The adaptive cross approximation method is introduced to accelerate computing the translate operator, and the repeatability of the array is removed. Numerical results demonstrate that the time consumption and the memory usage are all reduced.
A computational scheme for the analysis of electromagnetic scattering from electrically three-dimensional (3D) perfectly electric conduction (PEC) objects buried in a lossy stratified medium is presented. The method of moments combined with the mixed-potential electric field integral equation (MoM-MPIE) is used. A three level modified discrete complex images methods (DCIM) is introduced to obtain...
In this paper, the matching-on-in-order time-domain volume-surface integral equation (MOO TD-VSIE) method is utilized to analyze electromagnetic scattering from objects composed of both conductor and dielectric material. SWG and RWG basis functions are used as the spatial basis functions in volume and surface discretization respectively. Different orders of weighted Laguerre polynomials are used as...
In this paper, interpolatory vector basis functions for a new combined-field surface integral equation (JMCFIE) solved with the method of moments has been presented. This method applied to solve complex electromagnetic scattering problems, like perfect electric conductors, homogeneous dielectric objects, and conductor-dielectric combined structure. New combined-field surface integral equation (JMCFIE)...
Recently, a new bistatic point target reference spectrum, which is called extended Loffeld's bistatic formula (ELBF) is proposed. The point target simulation shows that this method can work well in the general bistatic configuration. In this paper, physical optics (PO) method is introduced to calculate the echo data from three dimensional targets for bistatic SAR. Then the original LBF and ELBF are...
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