X波段脉冲空间行波管输出结构可靠性研究

尚新文; 李鑫伟; 曹林林; 肖刘; 苏小保

doi:10.11999/JEIT160003

X波段脉冲空间行波管输出结构可靠性研究

doi: 10.11999/JEIT160003

基金项目:

国家科技重大专项(2012ZX01007004001)，国家自然科学基金(61401427)，中科院国防科技创新基金(CXJJ-16Q137)

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- 被引次数: 0
出版历程
- 收稿日期: 2016-01-04
- 修回日期: 2016-04-14
- 刊出日期: 2016-10-19

Study of the Reliability of the Output Structure for X-band Space Traveling Wave Tube

Funds:

The National Science and Technology Major Project (2012ZX01007004001), The National Natural Science Foundation of China (61401427), The National Defense Science and Technology Innovation Foundation, Chinese Academy of Sciences, (CXJJ-16Q137)

摘要

摘要: X波段脉冲空间行波管主要用于轻型SAR等雷达系统，要求行波管具有高功率、高效率、高可靠的性能。输出结构是行波管的重要部件，其可靠性不仅影响行波管的输出功率等性能，还影响行波管的稳定性与可靠性。该文针对X脉冲空间行波管输出结构进行可靠性研究，通过电、磁、热多物理场耦合的方式对它进行热、力结构可靠性分析，按分析结果对输出结构薄弱环节进行改进，耐冲击能力增强，并经过1000 h以上的整管老练及空间环境试验验证，输出结构具有较高的可靠性，满足空间环境试验及使用要求。
- 脉冲空间行波管 /
- 多物理场耦合 /
- 输出结构 /
- 可靠性
Abstract: X-band pulsed space Traveling Wave Tube (TWT) is mainly used in such radar system as light-weight SAR, which is required to have high power, high efficiency and high reliability. The output structure is an important part of the TWT, and its reliability not only affects the output power of TWT, but also influences the stability and reliability of the TWT. In this paper, the reliability of the output structure of an X-band pulsed space TWT is studied. The thermal and structural reliability is studied by means of multi-physics coupling including electrical and magnetic. The shock resistance ability of the output structure is improved according to the analysis results. Furthermore, in the course of above 1000 hours aging and space environmental test, the output structure has high reliability, meeting the space environment test and use requirements.
- Pulsed space Traveling Wave Tube (TWT) /
- Multi-physics coupling /
- Output structure /
- Reliability

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参考文献(28)

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