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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/55014

    Title: Comparison of Asynchronous Particle Swarm Optimization and Dynamic Differential Evolution for Partially Immersed Conductor
    Authors: Chiu, Chien-ching;Hsiao, Wei-chun
    Contributors: 淡江大學電機工程學系
    Date: 2011-08
    Issue Date: 2011-08-09 12:01:19 (UTC+8)
    Publisher: Abingdon: Taylor & Francis
    Abstract: The application of two techniques for the of shape reconstruction of a perfectly two-dimensional conducting cylinder from mimic measurement data is studied in the present paper. After an integral formulation, the microwave imaging is recast as a nonlinear optimization problem; a cost function is defined by the norm of a difference between the measured scattered electric fields and the calculated scattered fields for an estimated shape of a conductor. Thus, the shape of conductor can be obtained by minimizing the cost function. In order to solve this inverse scattering problem, transverse electric (TE) waves are incident upon the objects and two techniques are employed to solve these problems. The first is based on an asynchronous particle swarm optimization (APSO) and the second is a dynamic differential evolution (DDE). Both techniques have been tested in the case of simulated mimic measurement data contaminated by additive white Gaussian noise. Numerical results indicate that the DDE algorithm and the APSO have almost the same reconstructed accuracy.
    Relation: Waves in Random and Complex Media 21(3), pp.485-500
    DOI: 10.1080/17455030.2011.588271
    Appears in Collections:[電機工程學系暨研究所] 期刊論文

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