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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/82989


    Title: Microwave imaging of a partially immersed non-uniform conducting cylinder
    Authors: Chien, Wei;Chiu, Chien-Ching;Li, Ching-Lieh;Sun, Chi-Hsien
    Contributors: 淡江大學電機工程學系
    Keywords: Inverse problem;non-uniform conducting cylinder;partially immersed;steady-state genetic algorithm
    Date: 2012-12
    Issue Date: 2013-03-13 02:46:06 (UTC+8)
    Publisher: Amsterdam: I O S Press
    Abstract: In this paper, we investigate the imaging problem to determine both the shape and the conductivity of a partially immersed non-uniform conducting cylinder from the knowledge of scattered 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 inverse problem is reformulated into an optimization one. The steady-state 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 can be obtained.
    Relation: International Journal of Applied Electromagnetics and Mechanics 40(3), pp.215-225
    DOI: 10.3233/JAE-2012-1586
    Appears in Collections:[電機工程學系暨研究所] 期刊論文

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