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    题名: Solving Time Domain Microwave Imaging for Two Dimensional Inhomogeneous Dielectric Cylinder
    作者: 丘建青
    贡献者: 電機工程學系暨研究所
    关键词: FDTD
    APSO
    DDE
    inhomogeneous dielectric cylinders
    time domain inverse scattering
    日期: 2014-03
    上传时间: 2015-03-03 23:35:42 (UTC+8)
    摘要: 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.
    關聯: International Journal of RF and Microwave Computer -Aided Engineering 24(2), p.147–154
    DOI: 10.1002/mmce.20722
    显示于类别:[電機工程學系暨研究所] 期刊論文

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