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A new efficient hybrid technique is presented, which combines the method of moments (MoM) and the shooting and bouncing ray (SBR) for analyzing scattering of complex large structures. By applying the SBR method for the whole structures, a corrected incident field including not only the direct incident field but also the multi-bounce field from the SBR region contributes to the integral equation in...
This paper introduces a new PO-MoM hybrid method based on the equivalence principle for the object that can be decomposed into different isolated parts. Each part can be solved by MoM or PO according to its local property. The unknowns on every subscatterer are transferred to its surrounding equivalent surface with a new scheme, and the intersections between different parts are also considered by...
In this paper, a novel improved PMCHWT equations are developed to achieve fast and accurate solution of electromagnetic scattering from 3-D homogeneous dielectric objects. By adding the current operator into the existing PMCHWT operator, a well-conditioned improved PMCHWT matrix is achieved. The initial guess of the currents and update process are required for reasonable accuracy and convergence performance...
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