The Dispersion Characteristics of a New Type Helical Circular-Arc-Chaped Grooved Slow-Wave Structure

魏彦玉; 王文祥; 余国芬; 李宏福

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The Dispersion Characteristics of a New Type Helical Circular-Arc-Chaped Grooved Slow-Wave Structure

更新时间：2025-12-08

- The Dispersion Characteristics of a New Type Helical Circular-Arc-Chaped Grooved Slow-Wave Structure
- Acta Electronica Sinica Issue 6, Pages: 58-60(1999)
- 作者机构：
  
  1. 电子科技大学大功率微波重点实验室!成都
  2. 610054
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN124
- Published：1999
- 稿件说明：
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[1]魏彦玉,王文祥,余国芬,李宏福.一种新型圆弧形螺旋槽慢波结构的色散特性[J].电子学报,1999(06):58-60+53.

魏彦玉, 王文祥, 余国芬, et al. The Dispersion Characteristics of a New Type Helical Circular-Arc-Chaped Grooved Slow-Wave Structure[J]. Acta Electronica Sinica, 1999, (6): 58-60.
[1]魏彦玉,王文祥,余国芬,李宏福.一种新型圆弧形螺旋槽慢波结构的色散特性[J].电子学报,1999(06):58-60+53. DOI：

魏彦玉, 王文祥, 余国芬, et al. The Dispersion Characteristics of a New Type Helical Circular-Arc-Chaped Grooved Slow-Wave Structure[J]. Acta Electronica Sinica, 1999, (6): 58-60. DOI：

摘要

本文提出了一种新型的大功率行波管慢波结构─—圆弧形螺旋槽系统；采用近似的场论方法，得到了该结构的色散方程；讨论了主模在其中的传播情况和系统结构参数变化对色散特性的影响．数值计算表明；螺旋角变小、圆弧角增大都对改善系统带宽有利．本文的结果为进一步研究和设计此类新型大功率行波管高频系统提供了理论基础．

Abstract

The belieal circular-arc-shaped groovd structure

a new type slow-wave system for high power TWT

is presented in this paper

and the dispersion equation of this circuit is obtained by means of an approximate field theory. The dispersion characteristics of the fundamental wave are discussed and the influence of various circuit parameters on dispersion relations is also investigated. The results of the numerical calculation show that it is very useful for improving the bandwidth by diminishing the pitch angle or increasing the arc angle. The present analysis will be helpful on further study and design of this kind RF system used in high power TWT.

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