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2017-01-13
Rectangular Wave Beam Based GO/PO Method for RCS Simulation of Complex Target
By
Progress In Electromagnetics Research M, Vol. 53, 53-65, 2017
Abstract
The rectangular wave beams-based geometrical optics (GO) and physical optics (PO) hybrid method is applied to the radar cross section (RCS) simulation of complex target. In the implementation process, the incident wave beam is divided into plenty of regular rectangular wave beams. The RCS of target is subsequently harvested from the sum of the contributions from rectangular wave beams. And Open Graphics Library (OpenGL) is used to accelerate ray tracing for the GO/PO method. Here, each pixel corresponds to a rectangular wave beam, which improves the defect that the pixel number should be larger than the patch number on the model and the efficiency in the general OpenGL based GO/PO method. In addition, the patch size in the presented method can be arbitrary as long as the model is described accurately with these patches. The simulation results prove this point and show that the proposed rectangular wave beam-based GO/PO method is feasible and can keep a high calculation accuracy and efficiency with a low pixel number.
Citation
Wang-Qiang Jiang Min Zhang Ding Nie Yong-Chang Jiao , "Rectangular Wave Beam Based GO/PO Method for RCS Simulation of Complex Target," Progress In Electromagnetics Research M, Vol. 53, 53-65, 2017.
doi:10.2528/PIERM16102401
http://www.jpier.org/PIERM/pier.php?paper=16102401
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