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    题名: Image Reconstruction of a Two-dimensional Periodic Imperfect Conductor by the Genetic Algorithm
    作者: Chiu, Chien-ching;Li, Ching-lieh;Ho, Cheng-shun
    贡献者: 淡江大學電機工程學系
    关键词: Periodic Conducting Scatterer;Inverse Problem;Genetic Algorithm
    日期: 2003-01
    上传时间: 2012-05-09 15:52:50 (UTC+8)
    出版者: Amsterdam: IOS Press
    摘要: We consider the inverse problem of determining both the shape and the conductivity of a
    two-dimensional periodic conducting scatterer from knowledge of the far-field pattern of TM waves by solving the ill posed nonlinear equation. Based on the boundary condition and the measured scattered field, a set of nonlinear integral equations is derived and the imaging problem is reformulated into an optimization problem. The genetic algorithm is then employed to find out the global extreme
    solution of the object function. As a result, the shape and the conductivity of the conductor can be obtained. Numerical results are given to demonstrate that even in the presence of noise, good reconstruction has been obtained.
    關聯: International Journal of Applied Electromagnetics and Mechanics 17(4), pp.301-311
    显示于类别:[電機工程學系暨研究所] 期刊論文

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