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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/61033

    Title: Image reconstruction of inhomogeneous biaxial dielectric cylinders buried in a slab medium
    Authors: Sun, Chi-Hsien;Chiu, Chien-Ching;Lin, Chun-Jen
    Contributors: 淡江大學電機工程學系
    Date: 2010
    Issue Date: 2011-10-15 01:16:48 (UTC+8)
    Publisher: Amsterdam: I O S Press
    Abstract: The image reconstruction of inhomogeneous biaxial dielectric cylinders buried in a slab medium is investigated. A biaxial dielectric cylinder of unknown permittivities buried in a slab scatters a group of unrelated incident waves from outside. The scattered field is recorded outside the slab. By proper arrangement of the various unrelated incident fields, the difficulties of ill-posedness and nonlinearity are circumvented, and the permittivity distribution can be reconstructed through simple matrix operations. The algorithm is based on the moment method and the unrelated illumination method. Numerical results are given to demonstrate the capability of the inverse algorithm. Good reconstructed results are obtained even in the presence of additive Gaussian random noise in measured data. In addition, the effect of noise on the reconstruction result is also investigated.
    Relation: International Journal of Applied Electromagnetics and Mechanics 34(1-2), pp.33-48
    DOI: 10.3233/JAE-2010-1085
    Appears in Collections:[Graduate Institute & Department of Electrical Engineering] Journal Article

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