| 电磁脉冲与窄缝腔体耦合共振特性分析 |
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| 引用本文： | 陈修桥,张建华,胡以华.电磁脉冲与窄缝腔体耦合共振特性分析[J].强激光与粒子束,2003,15(5):481-484. |
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| 作者姓名： | 陈修桥 张建华 胡以华 |
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| 作者单位： | 电子工程学院 微波教研室，安徽 合肥 230037 |
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| 基金项目： | 国家863计划项目资助课题 |
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| 摘 要： | 应用时域有限差分法模拟计算了电磁脉冲对窄缝和窄缝腔体的线性耦合过程。通过定义能量耦合传输系数，分析耦合能量随窄缝宽度和厚度及时间的变化关系，得出在正弦波调制的高斯脉冲源激励下，窄缝和窄缝腔体的耦合共振特性。
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| 关 键 词： | 时域有限差分法 电磁脉冲 窄缝 耦合 共振效应 |
| 文章编号： | 1001-4322(2003)05-0481-04 |
| 收稿时间： | 2002/11/13 |
| 修稿时间： | 2002年11月13 |
Analysis on resonant characteristic of electromagnetic pulse coupling into narrow slot and cavity with slot |
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| chen xiu-qiao,zhang jian-hua,hu yi-hua.Analysis on resonant characteristic of electromagnetic pulse coupling into narrow slot and cavity with slot[J].High Power Laser and Particle Beams,2003,15(5):481-484. |
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| Authors: | chen xiu-qiao zhang jian-hua hu yi-hua |
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| Institution: | Microwave Section, Electronic Engineering Institute, Hefei 230037，Ｃhina |
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| Abstract: | The coupling processes of electromagnetic pulse with narrow slot and cavity with slot are simulated using the finite difference time domain (FDTD) method. For analyzing the variation of energy with the transmission path and time, the coupling transmission coefficient of energy is defined. When narrow slot and cavity with slot are excited by electromagnetic pulse, the resonant characteristics of coupling energy are obtained. If the width of slots is smaller than 0.2λ,it is found clearly that the energy of electromagnetic pulse coupling through narrow slots will have regular fluctuation according to the thickness of narrow slots. |
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| Keywords: | FDTD method Electromagnetic pulse Narrow slot Coupling Resonance effect |
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