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毫米波沟道梯型慢波结构行波管的线性理论
引用本文:殷海荣,宫玉彬,魏彦玉,黄民智,路志刚,王文祥.毫米波沟道梯型慢波结构行波管的线性理论[J].强激光与粒子束,2006,18(10):1663-1668.
作者姓名:殷海荣  宫玉彬  魏彦玉  黄民智  路志刚  王文祥
作者单位:电子科技大学 物理电子学院, 成都 610054
基金项目:国家自然科学基金资助课题(605302010),教育部新世纪优秀人才支持计划资助课题
摘    要: 在电子通道内引入一薄层空心电子注,对沟道梯型慢波结构行波管进行了线性理论研究,推导出了沟道梯型结构行波管的工作色散方程,计算了沟道梯型行波管的小信号增益和工作相速。计算结果表明:沟道梯型结构行波管每周期的增益高,带宽窄;当沟宽度由零增加到环内径的2倍时,增益减小量不足1%,这表明沟宽度对增益的影响不大;当脊高度增大10%时,增益增加62%,当环内径增大10%,增益减小57%,因此增益与脊高度正相关,与环内径负相关,且相关性十分明显。

关 键 词:沟道梯型结构行波管  小信号增益  工作相速  色散方程
文章编号:1001-4322(2006)10-1663-06
收稿时间:2006-03-07
修稿时间:2006-05-19

Linear theory of tunneladder traveling wave tubes
YIN Hai-rong,GONG Yu-bin,WEI Yan-yu,HUANG Min-zhi,LU Zhi-gang,WANG Wen-xiang.Linear theory of tunneladder traveling wave tubes[J].High Power Laser and Particle Beams,2006,18(10):1663-1668.
Authors:YIN Hai-rong  GONG Yu-bin  WEI Yan-yu  HUANG Min-zhi  LU Zhi-gang  WANG Wen-xiang
Institution:School of Physical Eelectronics, University of Electronic Science and Technology of China, Chengdu 610054, China
Abstract:Through placing a thin hollow electron beam in the electronic tunnel of the tunneladder TNT,this article derived the linear theory of the tunneladder traveling wave tubes(TWT).A dispersion equation of the tunneladder TWT was derived,and the small signal gain and the working phase velocity were computed.The results manifest that the gain of the Tunneladder TWT is high,and the bandwidth is narrow.When the width of the channel varies from zero to the double of the ring radius,the linear gain decreases within 1%.When the ring radius augment 10%,the linear gain decreases 57%,and the ridge height augment 10%,the linear gain increases 62%.Thus,the width of the channel plays a small role on small signal gain,but the height of the ridge and the radius of the ring affect small signal gain strongly.
Keywords:Tunneladder TWT  Small signal gain  Phase velocity  Dispersion equation  
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