| 空间行波管慢波结构及注波互作用模拟设计 |
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| 引用本文： | 刘毅,阮久福,杨军,邓光晟,吕国强,张文丙.空间行波管慢波结构及注波互作用模拟设计[J].电子科技,2012,25(3):72-74. |
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| 作者姓名： | 刘毅 阮久福 杨军 邓光晟 吕国强 张文丙 |
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| 作者单位： | (1.合肥工业大学 特种显示技术教育部重点实验室,安徽 合肥 230009;2.合肥工业大学 光电技术研究院,安徽 合肥 230009;
3.合肥工业大学 仪器科学与光电工程学院,安徽 合肥 230009;4.安徽华东光电技术研究所 第5研究室,安徽 芜湖 241002) |
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| 摘 要： | 设计了Ka波段螺旋线行波管的慢波结构,分析其色散特性曲线和耦合阻抗,对高频系统进行了优化;利用PIC粒子模拟得到在工作频带内饱和输出功率＞73.5 W,增益畸变＜2%,并对试制样管进行了试验,测得在工作频带内输出功率＞45 W,电子效率＞12.5%,采用4级降压收集极后总效率大于40%,最后对模拟结果和实测结果的差异原因进行了简单分析。
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| 关 键 词： | 空间行波管 冷测特性 注波互作用 电子效率 |
Design and Simulation of Slow-Wave Structure and Beam-Wave Interaction for Space TWT |
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| LIU Yi,RUAN Jiufu,YANG Jun,DENG Guangsheng,LüGuoqiang,ZHANG Wenbing.Design and Simulation of Slow-Wave Structure and Beam-Wave Interaction for Space TWT[J].Electronic Science and Technology,2012,25(3):72-74. |
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| Authors: | LIU Yi RUAN Jiufu YANG Jun DENG Guangsheng LüGuoqiang ZHANG Wenbing |
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| Affiliation: | (1.Key Laboratory of Special Display Technology,Ministry of Education,Hefei University of Technology,Hefei 230009,China;
2.Academe of Opto-Electronic Technology,Hefei University of Technology,Hefei 230009,China;
3.School of Instrument Science and Opto-Electronic Engineering,Hefei University of Technology,Hefei 230009,China;
4.No.5 Research Room,Anhui Huadong Photoelectric Technology Institute,Wuhu 241002,China) |
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| Abstract: | The slow-wave structure of the Ka band helix-TWT is designed.Its color scattering characteristic curve and coupling impedance are analyzed.The high-frequency system is optimized.The results of Interaction from PIC simulation show that the output power is more than 73.5 W and distortion of gain is less than 2% at the working frequency.The test results show that this device has the output power of more than 45 W,the electronic efficiency of more than 12.5%,and the overall efficiency of more than 40% at the working frequency.The difference between the simulation result and test result is analyzed. |
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| Keywords: | space TWT cold-test characteristics beam-wave interaction electronic efficiency |
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