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    請使用永久網址來引用或連結此文件: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/100484

    題名: Nondestructive Evaluation of Buried Dielectric Cylinders by Asynchronous Particle Swarm Optimization
    作者: Lee, Wei-Tsong;Sun, Chi-Hsien;Li, Jyun-Fu;Chiu, Chien-Ching
    貢獻者: 淡江大學電機工程學系
    關鍵詞: FDTD;asynchronous particle swarm optimization;APSO;inhomogeneous dielectric cylinders;time domain inverse scattering
    日期: 2014-01-10
    上傳時間: 2015-03-02 12:53:29 (UTC+8)
    出版者: Conshohocken: A S T M International
    摘要: This paper presents the study of time domain inverse scattering for a two-dimensional inhomogeneous dielectric cylinder buried in a slab medium via the finite difference time domain (FDTD) method and the asynchronous particle swarm optimization (APSO) method. For the forward scattering part, the FDTD method was employed to calculate the scattered E fields. Base on the scattering fields, these inverse scattering problems were transformed into optimization problems. The APSO method was applied to reconstruct the permittivity of the two-dimensional inhomogeneous dielectric cylinder. In addition, the effects of Gaussian noise on the reconstruction results were investigated. Numerical results show that even when the measured scattered fields were contaminated with Gaussian noise, APSO was able to yield good reconstructed quality.
    關聯: Journal of Testing and Evaluation 43(1)
    DOI: 10.1520/JTE20120323
    顯示於類別:[電機工程學系暨研究所] 期刊論文


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