淡江大學機構典藏:Item 987654321/83260
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    题名: Comparison of Dynamic Differential Evolution and Self-Adaptive Dynamic Differential Evolution for Buried Metallic Cylinder
    作者: Sun, Chi-Hsien;Chiu, Chien-Ching;Ho, Min-Hui;Li, Ching-Lieh
    贡献者: 淡江大學電機工程學系
    关键词: dynamic differential evolution;inverse scattering;self-adaptive dynamic differential evolution
    日期: 2013-01-11
    上传时间: 2013-03-15 17:27:03 (UTC+8)
    出版者: Philadelphia: Taylor & Francis Inc.
    摘要: The application of two techniques for the reconstruction of shape reconstruction of a metallic cylinder from scattered field measurements is studied in this paper. These techniques are applied to two-dimensional configurations, for which the method of moment (MoM) is applied to solve the integral equations. Considering that the microwave imaging is recast as a nonlinear optimization problem, an objective function is defined by the norm of the difference between the measured scattered electric fields and those calculated for each estimated metallic cylinder. Thus, the shape of a metallic cylinder can be obtained by minimizing the objective function. In order to solve this inverse scattering problem, two techniques are employed. The first one is based on dynamic differential evolution (DDE) algorithm, while the second one is an improved version of the DDE algorithm with self-adaptive control parameters, called SADDE. Both techniques are tested for the simulated data contaminated by additive white Gaussian noise. Numerical results indicate that SADDE algorithm outperforms DDE algorithm in terms of reconstruction accuracy and convergence speed.
    關聯: Research in Nondestructive Evaluation 24(1), pp.35-50
    DOI: 10.1080/09349847.2012.699607
    显示于类别:[電機工程學系暨研究所] 期刊論文

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