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螺旋线行波管1维多频非线性理论与模拟
引用本文:高鹏,杨中海,李斌,李建清,胡玉禄,朱小芳,廖莉.螺旋线行波管1维多频非线性理论与模拟[J].强激光与粒子束,2007,19(3):459-462.
作者姓名:高鹏  杨中海  李斌  李建清  胡玉禄  朱小芳  廖莉
作者单位:电子科技大学 物理电子学院, 成都 610054
基金项目:国防重点实验室基金;电子科技大学校科研和教改项目
摘    要: 采用CHRISTINE报告中的1维多信号非线性互作用模型,在其场方程、相位方程和含空间电荷场的运动方程的表达式基础上,增加了切断区域的工作方程组,并考虑了电位下沉带来的影响。基于此非线性互作用工作方程组编写了数值计算程序。为了便于对行波管互作用进行模拟设计时选择最佳工作电压和输入功率,在程序中加入了扫描电压和输入功率的功能。对某行波管注波互作用过程进行了模拟,并分析了谐波和互调的影响。由于计算速度快,模拟结果较好,对螺旋线行波管的初步设计和验证具有较强的指导意义。

关 键 词:行波管  CAD  注-波互作用  非线性  CHRISTINE
文章编号:1001-4322(2007)03-0459-04
收稿时间:2006/6/23
修稿时间:2006-06-23

One-dimensional multifrequency non-linear model and simulation of helix traveling wave tubes
GAO Peng,YANG Zhong-hai,LI Bin,LI Jian-qing,HU Yu-lu,ZHU Xiao-fang,LIAO Li.One-dimensional multifrequency non-linear model and simulation of helix traveling wave tubes[J].High Power Laser and Particle Beams,2007,19(3):459-462.
Authors:GAO Peng  YANG Zhong-hai  LI Bin  LI Jian-qing  HU Yu-lu  ZHU Xiao-fang  LIAO Li
Affiliation:School of Physical Electronics, University of Electronic Science and Technology of China, Chengdu 610054, China
Abstract:A 1-D multifrequency non-linear model of the beam-wave interaction in a helix TWT is described.The field,phase and motion equations which contains the space charge field and the equations of the cut area are represented.Taking into account the voltage depression effect,this model has been implemented in a code which contains the functions of scanning beam voltage and input power,which is convenient for the simulation of the interaction of beam and wave.A TWT interaction is simulated by the code and the results from the code.The effects of the harmonic waves and the intermodulations are analyzed.The simulation is precise and rapid and it is of importance for the first and fast designs of a helix TWT.
Keywords:CAD  CHRISTINE
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