| 相对论直线电子注与慢波相互作用系统的色散关系的研究 |
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| 引用本文： | 付承志.相对论直线电子注与慢波相互作用系统的色散关系的研究[J].科学技术与工程,2010,10(19). |
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| 作者姓名： | 付承志 |
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| 作者单位： | 荆楚理工学院数理学院,荆门,448000 |
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| 摘 要： | 研究了相对论直线电子注与介质中的慢波相互作用系统的色散关系.研究表明当电子注的速度超过介质中电磁波的相速度时有不稳定性产生.通过冷流体近似的办法,在小信号极限下得到了色散关系的方程式增长率以及空间增长率的解析表达式.这种特有的色散关系的研究对研制一种新型的微波致密大功率输出器件具有一定的理论指导意义.
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| 关 键 词： | 色散关系 相对论直线电子注 增长率 |
| 收稿时间： | 2010/4/14 0:00:00 |
| 修稿时间： | 2010/4/14 0:00:00 |
The dispersion relation of rectilinear relativistic electron beam-slow wave interaction system |
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| Fu Chengzhi.The dispersion relation of rectilinear relativistic electron beam-slow wave interaction system[J].Science Technology and Engineering,2010,10(19). |
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| Authors: | Fu Chengzhi |
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| Abstract: | The dispersion relation of relativistic rectilinear electron beam and slow-wave systemis investigated by cold fluid model within the small signal limit.Instability occurs when the electron velocity exceeds the wave phase velocity. The dispersion equation, growth rate and spatial growth rate are studied analytically. The distinctive interaction mechanism is promising for the design of a new kind of compact high-power microwave generation devices. |
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| Keywords: | dispersion relation rectilinear relativistic electron beam growth rate |
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