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Study of radar echoes from the targets in environmental clutters has been of great interest in many applications. In this paper, research works on theoretical modeling and numerical simulations of composite electromagnetic scattering from target and rough surface are briefly reported. It includes GFBM/SAA, Hybrid KA-MoM, FEM with CMPL-DDM-TLQST, FDTD, and BART, developed in this Lab during recent...
Numerical study of radar echoes from the targets in environmental clutters has been of great interest in many applications. In this paper, the bidirectional analytic ray tracing (BART) method for composite scattering from three-dimensional (3D) electrically large complex target above a randomly rough surface is reported. Analytic tracing of polygon ray tubes in bidirectional tracing is developed to...
The bidirectional analytic ray tracing (BART) method is developed to rapidly calculate composite scattering from three-dimensional (3D) electrically large complex targets above a randomly rough surface. Ray tracing is carried out both along the incident (forward) direction and converse direction of scattering (backward) recording different orders of ray illumination on each facet or edge of the target...
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