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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/80812

    Title: Inverse problem of a buried metallic object
    Authors: Chien, Wei;HuangChung-Hsin;Lin, Chun Jen;Chiu, Chien-Ching
    Contributors: 淡江大學電機工程學系
    Date: 2005
    Issue Date: 2013-03-07 14:01:06 (UTC+8)
    Publisher: New York: Institute of Electrical and Electronics Engineers (IEEE)
    Abstract: In this paper we address an inverse scattering problem whose aim is to discuss the CPU time for recovering a perfectly conducting cylindrical object buried in a half-space. First, we use Fourier-series or cubic-spline methods to describe the shape and reformulate the inverse problem into an optimization one. Then we solved it by the improved steady state genetic algorithm (SSGA) and simple genetic algorithm (SGA) respectively and compare the cost time in finding out the global extreme solution of the objective function. It is found the searching ability of SSGA is much powerful than that of the SGA. Even when the initial guess is far away from the exact one, the cost time for converging to a global extreme solution using by SSGA is much less than that by SGA. Numerical results are given to show that the inverse problem by using SSGA is much better than SGA in time costing.
    Relation: Microwave Conference, 2005 European, pp.4
    DOI: 10.1109/EUMC.2005.1610041
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Proceeding

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