Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/55109
Title: Analytical solution to electromagnetic scattering by an anisotropic plasma-coated impedance sphere
Authors: Geng, Y.-L.
Wu, J.
Li, L.-W. 
Keywords: Analytical solution
Impedance sphere
Spherical vector wave functions
Issue Date: Dec-2007
Source: Geng, Y.-L.,Wu, J.,Li, L.-W. (2007-12). Analytical solution to electromagnetic scattering by an anisotropic plasma-coated impedance sphere. Dianbo Kexue Xuebao/Chinese Journal of Radio Science 22 (6) : 913-917+936. ScholarBank@NUS Repository.
Abstract: In source-free plasma anisotropic medium, the electromagnetic fields can be expressed as integral of the first and the second spherical vector wave functions. By applying the boundary conditions in the interface of impedance sphere and the continue boundary condition between plasma anisotropic medium and free space, the matrices equation of the expansion coefficients of electromagnetic fields can be derived in terms of spherical vector wave functions in plasma anisotropic medium, and then the scattering coefficients of scattering fields in terms of spherical vector wave functions in isotropic medium and the Radar Cross Section (RCS) of an anisotropic plasma-coated impedance sphere by a plane wave can be obtained Numerical results show that when the radius of impedance sphere approach zero (for example, 0.001λ, where λ is the wavelength of incident wave), the present numerical result is in a good agreement with that of the homogeneous plasma anisotropic sphere. Also, some new numerical results of a plane wave scattering by an anisotropic plasma-coated sphere are presented in this paper.
Source Title: Dianbo Kexue Xuebao/Chinese Journal of Radio Science
URI: http://scholarbank.nus.edu.sg/handle/10635/55109
ISSN: 10050388
Appears in Collections:Staff Publications

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