L波段相对论磁控管的初步试验  

Preliminary Experiment of an L-Band Relativistic Magnetron

作　　者：刘则阳 樊玉伟[1] 徐浩东 荀涛 高景明[1] 杨汉武[1] LIU Ze-yang;FAN Yu-wei;XU Hao-dong;XUN Tao;GAO Jing-ming;YANG Han-wu(College of Advanced Interdisciplinary Studies,National University of Defense Technology,Changsha 410073,China)

机构地区：[1]国防科技大学前沿交叉学科学院,湖南长沙410073

出　　处：《真空电子技术》2022年第3期23-26,共4页Vacuum Electronics

基　　金：国家自然科学基金项目(61871390)。

摘　　要：相对论磁控管具有高功率、高效率、运行稳定、低磁场、结构紧凑、适于永磁包装等优点,是高功率微波源研究的热点之一。在前期研究中,国防科技大学提出了一个具有全腔提取结构的L波段高效率相对论磁控管,本文介绍了其初步的实验进展。实验结果显示,在二极管电压为491 kV、电流为5.5 kA及磁场为0.25 T的条件下,其输出微波功率为0.82 GW,微波频率为1.49 GHz,功率转换效率为30.4%。实验结果为进一步优化仿真、提高技术性能及推进应用打下了良好的基础。The relativistic magnetron possesses characteristics of high power,high efficiency,stable operation,low magnetic field,compact structure and ease of permanent magnet packaging.It is a research hotpot in high power microwave areas.In former research,the team of National University of Defense Technology puts forward an L-band high efficiency relativistic magnetron with full cavity extraction structure,and this article presents the experiment progress of it.The preliminary results show that when the diode voltage is 491 kV,the current is 5.5 kA and the magnetic field is 0.25 T,the output microwave power is 0.82 GW,the microwave frequency is 1.49 GHz,and the power conversion efficiency is 30.4%.The experimental results lay a good foundation for further simulation optimization,technical performance improvement and application promotion.

关 键 词：高功率微波 相对论磁控管 L波段 

分 类 号：TN123[电子电信—物理电子学]