| 多层媒质中电磁波反射与透射的FDTD研究 |
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| 引用本文： | 周珩.多层媒质中电磁波反射与透射的FDTD研究[J].南京工程学院学报(自然科学版),2011,9(2):11-16. |
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| 作者姓名： | 周珩 |
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| 作者单位： | 南京工程学院通信工程学院,江苏南京,211167 |
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| 基金项目： | 南京工程学院校青年科研基金项目 |
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| 摘 要： | 以时域有限差分法（FDTD）方法为工具，研究了电磁波在多层媒质中的反射与透射情况．为验证该方法的有效性，给出了三层媒质的反射与透射系数，而FDTD法的计算结果与之相符较好．由于FDTD法模拟了波的自然传播情况，因此在处理多层复杂媒质的反射与透射问题以及显示全空间的场强分布方面，相对解析方法有着巨大的优势．
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| 关 键 词： | 时域有限差分法 多层媒质 反射 透射 |
Research into Reflection and Transmission of Electromagnetic Wave in Multi-Level Medium by FDTD Method |
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| ZHOU Heng.Research into Reflection and Transmission of Electromagnetic Wave in Multi-Level Medium by FDTD Method[J].Journal of Nanjing Institute of Technology :Natural Science Edition,2011,9(2):11-16. |
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| Authors: | ZHOU Heng |
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| Institution: | ZHOU Heng (School of Communication Engineering,Nanjing Institute of Technology,Nanjing 211167,China) |
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| Abstract: | The reflection and transmission of electromagnetic wave in multi-level medium are researched by adopting finite-difference time-domain （FDTD） method. To validate the method, the reflection and transmission coefficients of three-level medium are suggested and the results of the two methods are highly consistent. In comparison with analytical method, FDTD method is highly advantageous in terms of dealing with the reflection and transmission problems with muhi-level complicated mediums, and displaying distribution of electric field of whole space. |
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| Keywords: | finite-difference time-domain method multi-level medium reflection transmission |
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