| 几种典型翼片加载螺旋线行波管色散及返波特性研究 |
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| 引用本文： | 赵新刚,李庆绩,赵士录.几种典型翼片加载螺旋线行波管色散及返波特性研究[J].真空电子技术,2006(6):5-8. |
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| 作者姓名： | 赵新刚 李庆绩 赵士录 |
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| 作者单位： | 北京真空电子技术研究所,北京,100016 |
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| 基金项目： | 特别感谢邬显平教授在本文撰写期间的悉心指导,并提出的改进意见. |
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| 摘 要： | 利用德国CST公司商业电磷仿真软件微波工作室（Microwave Studio）对几种典型翼片加载螺旋线行波管的冷色散进行了计算，对基波和返波色散曲线进行了数值拟合，给出了相应的返波振荡频率及其该频率下的基波和返波的耦合阻抗。本文还分析了两种常见翼片加载结构翼片与螺旋线间距变化对基波色散、返波振荡频率及相应耦合阻抗的影响。
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| 关 键 词： | 螺旋线行波管 翼片加载 冷色散 返波 有限积分 数值拟合 |
| 文章编号： | 1002-8935(2006)06-0005-04 |
| 收稿时间： | 2006-06-28 |
| 修稿时间： | 2006年6月28日 |
Investigation of Characters of Dispersion and Backward Wave in Helix TWTs with Several Typical Vane Load |
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| ZHAO Xingang,LI Qing-ji,ZHAO Shi-lu.Investigation of Characters of Dispersion and Backward Wave in Helix TWTs with Several Typical Vane Load[J].Vacuum Electronics,2006(6):5-8. |
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| Authors: | ZHAO Xingang LI Qing-ji ZHAO Shi-lu |
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| Affiliation: | Beijing Vacuum Electronics Institute, Beijing 100016, China |
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| Abstract: | After calculating cold dispersions and coupling impedances of several typical types of metallic vane loaded helical slow-wave structures(SWS) in Traveling Wave Tube(TWT) using electromagnetic simulator: CST Microwave Studio based on the finite integration(FI) method,curves are fit using software Matlab.Oscillation frequencies of backward wave and coupling impedances of both foundational wave and backward wave in these oscillation frequencies are obtained.Analysis of cold parameters with changing radial distance between vane and helix is done in two of typical metallic vane load helical SWS. |
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| Keywords: | Helix TWT Metallic vane loaded Cold dispersion Backward wave Finite integration Curve fit |
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