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International Journal of Antennas and Propagation
Volume 2011 (2011), Article ID 409764, 6 pages
Research Article

Scattering of a Plane Wave by an Anisotropic Plasma-Coated Conducting Sphere

Institute of Antenna and Microwaves, Hangzhou Dianzi University, Xiasha, Zhejiang Province, Hangzhou 310018, China

Received 19 June 2011; Revised 18 August 2011; Accepted 24 August 2011

Academic Editor: Miguel Ferrando

Copyright © 2011 You-Lin Geng. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The electromagnetic field in homogeneous plasma anisotropic medium can be expressed as the addition of the first and second spherical vector wave functions in plasma anisotropic medium. The tangential electromagnetic fields are continued in the boundary between the homogeneous plasma anisotropic medium and free space, and the tangential electrical field is zero in the surface of conducting sphere. The coefficients of electromagnetic fields in plasma anisotropic medium expanded in terms of spherical vector wave functions in plasma anisotropic medium are derived, and then the coefficients of scattering fields in terms of spherical vector functions in free space can be obtained. Numerical results between this paper and hybrid finite element-boundary integral-multilevel fast multipole algorithm (FE-BI-MLFMA) are given, and they are in agreement very well. Some new numerical results of a plane wave scattering by an anisotropic plasma-coated conducting sphere are obtained.