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Three-dimensional electromagnetic scattering from flat plates by using sinc-type basis functions in method of moments

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3 Author(s)
Basak Ozbakis ; Izmir Institute of Technology, 35430, Turkey ; Taner Oguzer ; Alp Kustepeli

Sinc functions are used in the basis and testing procedures in the conventional method of moments (MoM) formulation. But unlike conventional MoM, simple pointwise meshing is enough and no integral computation is required due to the mathematical properties of the sinc function. The simulation results of surface current densities and radar cross section for a few wavelength square flat plate are obtained by using our own codes. The results are compared with those of the rooftop basis functions. The CPU-time decreases by half of the time of the conventional method. The error that occurs from the approximated integral of the sinc function in the computation of main matrix elements is very small and decreases while the bandwidth of the sinc function increases.

Published in:

Computational Electromagnetics International Workshop, 2009. CEM 2009

Date of Conference:

20-23 July 2009