| 翼片加载螺旋线慢波结构的螺旋带模型 |
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| 引用本文： | 张勇, 莫元龙, 李建清, 等. 翼片加载螺旋线慢波结构的螺旋带模型[J]. 强激光与粒子束, 2002, 14(06). |
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| 作者姓名： | 张勇 莫元龙 李建清 周晓岚 |
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| 作者单位： | 1.电子科技大学 物理电子学院 高能电子学研究所, 四川 成都 61 0054 |
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| 摘 要： | 翼片加载螺旋线慢波结构广泛应用于大功率、宽频带行波管中。建立了翼片加载螺旋线慢波结构的螺旋带模型，得到了实用的色散方程、耦合阻抗和衰减常数的表达式。利用导出的方程对实际行波管的螺旋慢波结构进行计算，并与测量结果和导电面模型进行了比较，计算结果与测量结果具有良好的一致性。分析了不同管壳半径对色散特性的影响。
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| 关 键 词： | 螺旋带 翼片 色散特性 耦合阻抗 衰减常数 |
Tape helix model of helical slow wave structures with vane loaded |
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| zhang yong, mo yuan long, li jian qing, et al. Tape helix model of helical slow wave structures with vane loaded[J]. High Power Laser and Particle Beams, 2002, 14. |
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| Authors: | zhang yong mo yuan long li jian qing zhou xiao lan |
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| Affiliation: | 1. Institute of High Energy Electronics,University of Electronics Science and Technology of China,Chengdu 610054,China |
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| Abstract: | The vane loaded helical slow wave structure is widely used in high power, broadband traveling wave tube(TWT). The tape helix model is suggested for vane loaded helical slow wave structures in this paper. And the dispersion equations, the expressions of interaction impedance and attenuation constant are obtained. Some helical slow wave structures of TWT are calculated by the derived equations and sheath model. The calculated results accord with measured values very well. The influence on dispersion characteristics is analyzed for different radius of metal envelope. |
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| Keywords: | tape helix vane dispersion characteristics interaction impedance attenuation constant |
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