Design and Optimization of Axis-Adjustable Multistage Depressed Collector for 0.22-THz Traveling Wave Tubes

被引：10

作者：

Ou, Yue ^{[1
,2
]}

Liu, Wenxin ^{[1
,2
]}

Zhang, Zhiqiang ^{[1
,2
]}

Yang, Longlong ^{[1
,2
]}

Zhao, Zhengyuan ^{[1
,2
]}

Wei, Yanyu ^{[3
]}

Yang, Ziqiang ^{[3
]}

Zhang, Zhaochuan ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Aerosp Informat Res Inst, Beijing 100094, Peoples R China

[2] Univ Chinese Acad Sci, Sch Elect Elect & Commun Engn, Beijing 100049, Peoples R China

[3] Univ Elect Sci & Technol China, Natl Key Lab Sci & Technol Vacuum Elect, Chengdu 610054, Peoples R China

来源：

IEEE TRANSACTIONS ON ELECTRON DEVICES | 2021年 / 68卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Optimization; Genetic algorithms; Monitoring; Electron beams; Electrodes; Principal component analysis; Traveling wave tubes; Electron reflux rate; genetic algorithm (GA); multistage depressed collector (MDC); structural optimization; traveling wave tubes;

D O I：

10.1109/TED.2021.3074108

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

For the efficient optimization of a multistage depressed collector (MDC), an axis-adjustable MDC optimized using the genetic algorithm (GA) is presented in this article. The optimization processes are realized with a reasonable balance between the collector recovery efficiency and electron reflux rate by modifying the fitness function of GA. Through the proposed method, the best recovery efficiency 88.5% and 0.72% electron reflux rate of MDC are obtained, and a three-stage symmetric collector has been designed with the GA optimization and fabricated, for a 0.22-THz TWT. The experimental results are in well agreement with that of simulations, which indicates that the methods we propose would be beneficial to the design of high efficiency of TWT.

引用

页码：2996 / 3002

页数：7

共 39 条

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