淡江大學機構典藏:Item 987654321/77070
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    题名: Electromagnetic imaging of buried perfectly conducting cylinder targets using the dynamic differential evolution
    作者: Sun, Chi-Hsien;Chiu, Chien-Ching
    贡献者: 淡江大學電機工程學系
    关键词: inverse scattering;microwave imaging;dynamic differential evolution;half-space;perfect conducting cylinder
    日期: 2011-07-07
    上传时间: 2012-05-29 09:46:33 (UTC+8)
    出版者: Hoboken: John Wiley & Sons, Inc.
    摘要: Dynamic differential evolution (DDE) for shape reconstruction of perfect conducting cylinder buried in a half-space is presented. Assume that a conducting cylinder of unknown shape is buried in one half-space and scatters the field incident from another half-space where the scattered filed is measured. Based on the boundary condition and the measured scattered field, a set of nonlinear integral equations is derived and the imaging problem is reformulated into an optimization problem. The inverse problem is resolved by an optimization approach, and the global searching scheme DDE is then used to search the parameter space. Numerical results demonstrate that even when the initial guess is far away from the exact one, good reconstruction can be obtained by using DDE both with and without the additive Gaussian noise.
    關聯: International Journal of RF and Microwave Computer-Aided Engineering 22(2), pp.141–146
    DOI: 10.1002/mmce.20565
    显示于类别:[電機工程學系暨研究所] 期刊論文

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