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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/76423

    Title: Image Reconstruction of a Two-dimensional Periodic Imperfect Conductor by the Genetic Algorithm
    Authors: Chiu, Chien-ching;Li, Ching-lieh;Ho, Cheng-shun
    Contributors: 淡江大學電機工程學系
    Keywords: Periodic Conducting Scatterer;Inverse Problem;Genetic Algorithm
    Date: 2003-01
    Issue Date: 2012-05-09 15:52:50 (UTC+8)
    Publisher: Amsterdam: IOS Press
    Abstract: 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.
    Relation: International Journal of Applied Electromagnetics and Mechanics 17(4), pp.301-311
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Journal Article

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