Please use this identifier to cite or link to this item: https://doi.org/10.1109/TAP.2007.910336
Title: Interaction of electromagnetic waves with 3-D arbitrarily shaped homogeneous chiral targets in the presence of a lossy half space
Authors: Wang, X.
Werner, D.H.
Li, L.-W. 
Gan, Y.-B. 
Keywords: Discrete complex image method
Electromagnetic scattering
Homogeneous chiral target
Integral equations
Method of moments
Method of moments (MoM)
Scattering
Issue Date: Dec-2007
Source: Wang, X.,Werner, D.H.,Li, L.-W.,Gan, Y.-B. (2007-12). Interaction of electromagnetic waves with 3-D arbitrarily shaped homogeneous chiral targets in the presence of a lossy half space. IEEE Transactions on Antennas and Propagation 55 (12) : 3647-3655. ScholarBank@NUS Repository. https://doi.org/10.1109/TAP.2007.910336
Abstract: The interaction of electromagnetic waves with an arbitrarily shaped three-dimensional (3-D) homogeneous chiral object located above a lossy half space is investigated using the method of moments (MoM) via the coupled mixed potential integral equations (MPIEs). Based on the surface equivalence principle, the equivalent surface electric and magnetic currents are used to replace the homogeneous chiral target in the presence of the half space. Two coupled MPIEs are developed for the unknown equivalent surface electric and magnetic currents by utilizing the continuity condition of the tangential total electric and magnetic field components on the chiral body's surface. The well-known Galerkin procedure with Rao-Wilton-Glisson (RWG) basis functions is applied to solve this problem. The spatial domain half-space Green's functions are obtained from the corresponding spectral domain Green's functions via the discrete complex image method (DCIM) combined with the generalized-pencil of function (GPOF) technique. The reciprocity theorem is employed to calculate the far-zone scattered field. Numerical results are presented for characterizing electromagnetic scattering by a 3-D arbitrarily shaped homogenous chiral object located above a lossy half space so as to demonstrate the accuracy and efficiency of the proposed technique. © 2007 IEEE.
Source Title: IEEE Transactions on Antennas and Propagation
URI: http://scholarbank.nus.edu.sg/handle/10635/50955
ISSN: 0018926X
DOI: 10.1109/TAP.2007.910336
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