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    题名: Inverse Scattering of Buried Inhomogeneous Biaxial Dielectric Cylinders Coated on a Conductor
    作者: Huang, Chung-hsin;Liu, Chun-liang;Lin, Chun-jen;丘建青;Chiu, Chien-ching
    贡献者: 淡江大學電機工程學系
    关键词: unrelated illumination method;biaxial dielectric cylinders;electromagnetic imaging;half space;complex dielectric cylinders
    日期: 2008-10
    上传时间: 2010-08-10 15:27:38 (UTC+8)
    出版者: Hoboken: John Wiley & Sons, Inc.
    摘要: The inverse scattering of buried inhomogeneous biaxial dielectric cylinders coated on a conductor with known cross section is investigated. Dielectric cylinders with known cross section coated on a conductor of unknown permittivities are buried in one half space and scatter a group of unrelated waves incident from another half space where the scattered field is recorded. By proper arrangement of the various unrelated incident fields, the difficulties of ill-posedness and nonlinearity are circumvented, and the permittivity distribution can be reconstructed through simple matrix operations. The algorithm is based on the moment method and the unrelated illumination method. Numerical results are given to demonstrate the capability of the inverse algorithm. Good reconstruction is obtained both with and without Gaussian noise in measured data. In addition, the effect of noise on the reconstruction result is also investigated.
    關聯: International Journal of Imaging Systems and Technology 18(4), pp.228-236
    DOI: 10.1002/ima.20133
    显示于类别:[電機工程學系暨研究所] 期刊論文

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