| FDTD 法求解对称与非对称 TEM cell 的截止频率 |
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| 引用本文： | 季飞,吴祥应,赖声礼. FDTD 法求解对称与非对称 TEM cell 的截止频率[J]. 华南理工大学学报(自然科学版), 1998, 0(1) |
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| 作者姓名： | 季飞 吴祥应 赖声礼 |
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| 作者单位： | 华南理工大学电子与通信工程系 |
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| 基金项目： | 国家自然科学基金,广东省自然科学基金 |
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| 摘 要： | 用ＦＤＴＤ法结合离散傅里叶变换在两维空间求解对称和非对称ＴＥＭｃｅｌ的截止频率。为模拟任意尺寸的内部导电板，采用了亚网格技术，计算了各种尺寸的对称和非对称ＴＥＭｃｅｌ的高阶模截止频率，讨论了ＴＥＭｃｅｌ截止频率与其尺寸的关系，对ＴＥＭｃｅｌ的设计具有指导意义。所得结果与已有文献的结果相吻合。
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| 关 键 词： | 时域有限差分法 TEMcell 截止频率 |
THE SOLVING OF CUTOFF FREQUENCIES OF SYMMETRIC AND ASYMMETRIC TEM CELLS BY FDTD METHOD |
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| Ji Fei Wu Xiangying Lai Shengli. THE SOLVING OF CUTOFF FREQUENCIES OF SYMMETRIC AND ASYMMETRIC TEM CELLS BY FDTD METHOD[J]. Journal of South China University of Technology(Natural Science Edition), 1998, 0(1) |
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| Authors: | Ji Fei Wu Xiangying Lai Shengli |
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| Abstract: | This paper deals with the solving of cutoff frequencies of various symmetric and asymmetric TEM cells by FDTD method coupled with the discrete Fourier transform in a two_dimension space. To simulate the arbitrarily_sized septum, the contour path method has been used and the higher order mode cutoff frequencies of various_sized symmetric and asymmetric TEM cells have been calculated. The relationship between the cutoff frequencies and the size of TEM cells is discussed too. The results agree well with the other papers. These data are of great value to designing TEM cells. |
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| Keywords: | FDTD method TEM cell cutoff frequency |
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