| 有涂覆层的导体圆柱空间散射特性的数值计算 |
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| 引用本文： | 黄兴中.有涂覆层的导体圆柱空间散射特性的数值计算[J].北京航空航天大学学报,1998,24(2):141-144. |
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| 作者姓名： | 黄兴中 |
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| 作者单位： | 北京航空航天大学 电子工程系 |
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| 摘 要： | 文中根据带有涂覆层的导体圆柱在平面波的照射下的散射场表达式,进行了全面的数值计算,说明了虚宗量的Bessel函数和Hankel函数的计算方法,分别给出了平行极化波和垂直极化波入射时双站RCS的计算曲线,包括不同涂覆层厚度的影响、入射波频率、涂覆层介质的相对介电常数、导磁率变化时双站RCS的变化规律,获得了有参考意义的结果.
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| 关 键 词： | 电磁波散射 电波传播 电磁波 双站RCS 雷达吸波材料 圆柱 |
| 收稿时间： | 1996-09-13 |
Numerical Calculation of Scattering Characteristics from PerfectlyConducting Cylinder Coated with Dielectric Material |
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| Huang Xingzhong,Lü,Shanwei.Numerical Calculation of Scattering Characteristics from PerfectlyConducting Cylinder Coated with Dielectric Material[J].Journal of Beijing University of Aeronautics and Astronautics,1998,24(2):141-144. |
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| Authors: | Huang Xingzhong Lü Shanwei |
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| Institution: | Beijing University of Aeronautics and Astronautics,Dept. of Electronic Engineering |
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| Abstract: | The general scattering field expressions are given when the plane wave propagates to a perfectly conducting cylinder coated with radar absorbing material and its scattering fields are calculated comprehensively.The method to calculate Bessel function and Hankel function with imaginary argument is discussed.The various curves of bistatic RCS are given when the incident electric field is parallel and vertical to the cylinder axis,respectively.The variations of bistatic RCS with the material thickness,incident frequency,and the dielectric constant and permeability of the material are obtained,respectively.The results can be used as useful references. |
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| Keywords: | electromagnetic wave scattering electromagnetic propagation electromagnetic waves bistatic RCS radar absorb material cylinder |
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