| 基于圆环模型的速调管2.5维注波互作用程序 |
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| 引用本文： | 赵鼎, 丁耀根. 基于圆环模型的速调管2.5维注波互作用程序[J]. 强激光与粒子束, 2007, 19(04). |
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| 作者姓名： | 赵鼎 丁耀根 |
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| 作者单位： | 1.中国科学院 电子学研究所, 北京 1 00080;;;2.中国科学院 研究生院, 北京 1 00039 |
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| 摘 要： | 在高导流系数的宽带速调管中，电子束径向及横向速度都会发生显著变化，运动电子与间隙电场之间的能量交换是非线性的互作用过程。为了能全面描述这些现象，基于圆环模型导出了相应的理论公式，并据此编写了用于速调管注波互作用分析的2.5维程序LSP。随后使用该程序针对一个实际的S波段宽带速调管做了详细计算，与1维程序相比，LSP的计算结果与实测值具有更好的一致性。
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| 关 键 词： | 2.5维程序 圆环模型 速调管 注波互作用 |
2.5 dimensional beam-wave interaction program for klystrons based on ring model |
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| zhao ding, ding yao-gen. 2.5 dimensional beam-wave interaction program for klystrons based on ring model[J]. High Power Laser and Particle Beams, 2007, 19. |
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| Authors: | zhao ding ding yao-gen |
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| Affiliation: | 1. Institute of Electronics,Chinese Academy of Sciences,P.O.Box 2652,Beijing 100080,China;;;2. Graduate University of Chinese Academy of Sciences,Beijing 100039,China |
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| Abstract: | In wide band klystrons with high perveance electron beam, the charged particles show obvious transverse movement, and the energy exchange between kinetic electrons and gap field is a nonlinear interaction process. Fully considering these physical phenomena, 2.5 dimensional large signal program was put forward the corresponding theoretical formulae based on ring model. The program was further developed for beam-wave interaction analysis. As an example, a practical S-band klystron was investigated with this tool, and the results approach the experimental data with higher precision than a one dimensional program does. |
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| Keywords: | 2.5 dimensions program ring model klystrons beam-wave interaction |
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