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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/100535

    Title: Solving Time Domain Microwave Imaging for Two Dimensional Inhomogeneous Dielectric Cylinder
    Authors: 丘建青
    Contributors: 電機工程學系暨研究所
    Keywords: FDTD
    inhomogeneous dielectric cylinders
    time domain inverse scattering
    Date: 2014-03-01
    Issue Date: 2015-03-03 23:35:42 (UTC+8)
    Abstract: This article presents the studies of time domain inverse scattering for a two-dimensional (2D) inhomogeneous dielectric cylinder buried in a slab medium by the asynchronous particle swarm optimization (APSO) and dynamic differential evolution (DDE) method. The method of finite-difference time-domain is employed for the analysis of the forward scattering part, while the inverse scattering problem is transformed into optimization one. The DDE algorithm and the APSO are applied to reconstruct the permittivities distribution of a 2D inhomogeneous dielectric cylinder. Both techniques have been tested in the case of simulated measurements contaminated by additive white Gaussian noise. Numerical results indicate that the APSO algorithm outperforms the DDE in terms of reconstruction accuracy and convergence speed.
    Relation: International Journal of RF and Microwave Computer -Aided Engineering 24(2), p.147–154
    DOI: 10.1002/mmce.20722
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Journal Article

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