| 磁化环形等离子体填充波导中注-波互作用的研究 |
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| 引用本文： | 李伟,魏彦玉,鄢扬,刘盛纲.磁化环形等离子体填充波导中注-波互作用的研究[J].电子与信息学报,2002,24(8):1126-1130. |
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| 作者姓名： | 李伟 魏彦玉 鄢扬 刘盛纲 |
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| 作者单位： | 电子科技大学高能电子学研究所,成都,610054 |
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| 摘 要： | 该文利用线性理论,对相对论环形电子注与环形等离子体互作用产生微波辐射进行了研究。在考虑有限磁场的基础上,利用匹配场法求得色散方程。重点分析了等离子体密度、厚度,外加磁场对等离子体切伦可夫脉塞注-波互作用的影响,并计算了各参量变化时的波增长率以及色散关系。
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| 关 键 词： | 环形等离子体 环形电子注 有限磁场 色散方程 增长率 |
| 收稿时间： | 2001-2-11 |
| 修稿时间： | 2001年2月11日 |
Study of the beam-wave interaction in cylindrical waveguide filled with a manetic plasma |
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| Li Wei,Wei Yanyu,Yan Yang,Liu Shenggang.Study of the beam-wave interaction in cylindrical waveguide filled with a manetic plasma[J].Journal of Electronics & Information Technology,2002,24(8):1126-1130. |
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| Authors: | Li Wei Wei Yanyu Yan Yang Liu Shenggang |
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| Institution: | University of Electronic Science and Technology of China Chengdu 610054 China |
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| Abstract: | Considering the effect of the longitudinal uniform magnetic field, the microwave radiation produced by the interaction of a relativistic electron beam with a annular plasma is examined by use of the linear theory. In this paper the "applied field" approach is used to derive the dispersion relationship. Analyzed the different plasma density, position, thickness, and field intensity influence to the beam-wave interactions in plasma Cerenkov maser. Finally, the curves and dispersion relationships about every parameter to influence the increase rates of linear space are given out. |
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| Keywords: | Annular plasma Annular electron beam Longitudinal magnetic field Dispersion equation |
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