| Scattering characteristics of conducting cylinder coated with nonuniform magnetized ferrite |
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| 作者姓名： | 胡斌杰 容启宁 张军 ToutainSerge |
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| 作者单位： | South China University of Technology, Guangzhou 510640, China;City University of Hong Kong, Kowloon, Hong Kong SAR, China;Sun Yat-Sen University, Guangzhou 510275, China;University of Nantes, Nantes 44306, France |
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| 基金项目： | Project supported by Specialized Research Fund for the Doctoral Program of Higher Education, China (Grant No 20020561024),and Guangzhou Science and Technology Project of China (Grant No 2005J1-C0061). |
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| 摘 要： | An analytical technique, referred to as the scattering matrix method （SMM）, is developed to analyse the scattering of a planar wave from a conductolution for the nonuniform fering cylinder coated with nonuniform magnetized ferrite. The SMM srite coating can be reduced to the expressions for the scattering and penetrated coefficients in four particular cases： nonuniform magnetized ferrite cylinder, uniform magnetized ferrite-coated conducting cylinder, uniform ferrite cylinder as well as homogeneous dielectric-coated conducting cylinder. The resonant condition for the nonuniform ferrite coating is obtained. The distinctive differences in scattering between the nonuniform ferrite coating and the nonuniform dielectric coating are demonstrated. The effects of applied magnetic fields and wave frequencies on the scattering characteristics for two types of the linear profiles are revealed.
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| 关 键 词： | 散射特性 磁化铁素体 散射矩阵 电磁波 回旋磁 |
| 收稿时间： | 2004-12-04 |
| 修稿时间： | 2004-12-042005-06-27 |
Scattering characteristics of conducting cylinder coated with nonuniform magnetized ferrite |
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| Hu Bin-Jie,Edward Yung Kai-Ning,Zhang Jun and Serge Toutain.Scattering characteristics of conducting cylinder coated with nonuniform magnetized ferrite[J].Chinese Physics B,2005,14(11):2305-2313. |
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| Authors: | Hu Bin-Jie Edward Yung Kai-Ning Zhang Jun and Serge Toutain |
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| Institution: | City University of Hong Kong, Kowloon, Hong Kong SAR, China; South China University of Technology, Guangzhou 510640, China; Sun Yat-Sen University, Guangzhou 510275, China; University of Nantes, Nantes 44306, France |
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| Abstract: | An analytical technique, referred to as the scattering matrix method (SMM),
is developed to analyse the scattering of a planar wave from a conducting
cylinder coated with nonuniform magnetized ferrite. The SMM solution for the
nonuniform ferrite coating can be reduced to the expressions for the
scattering and penetrated coefficients in four particular cases: nonuniform
magnetized ferrite cylinder, uniform magnetized ferrite-coated conducting
cylinder, uniform ferrite cylinder as well as homogeneous dielectric-coated
conducting cylinder. The resonant condition for the nonuniform ferrite
coating is obtained. The distinctive differences in scattering between the
nonuniform ferrite coating and the nonuniform dielectric coating are
demonstrated. The effects of applied magnetic fields and wave frequencies on
the scattering characteristics for two types of the linear profiles are
revealed. |
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| Keywords: | scattering inhomogeneous ferrite conducting cylinder scattering matrix method |
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