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一个基于间隙波导的机械可重新配置的相位变换器,用于高功率Ku频段应用
Ali Farahbakhsh1,2, Davood Zarifi3,4, Michal Mrozowski4
1Electrical and Computer Department, Graduate University of Advanced Technology, Kerman, Iran. a.farahbakhsh@kgut.ac.ir.
Scientific reports
|July 29, 2024
概括
开发了一种使用隙波导 (GGW) 技术的新型低损耗,可重新配置的宽带相位变速器. 该设备为雷达和卫星应用提供37%的阻抗带宽和770°的相位移.
科学领域:
- 电磁学 电磁学 电磁学 电磁学
- 微波工程 微波工程
- 波导技术技术 波导技术
背景情况:
- 阶段变换器是雷达和卫星系统中用于束形的关键组件.
- 传统的相变器经常面临带宽,插入损失和功率处理方面的限制.
- 隙波导 (GGW) 技术提供了无接触的解决方案,以提高性能.
研究的目的:
- 介绍一个新的可重新配置的宽带相位变速器设计.
- 为了利用GGW技术提高性能,特别是低损耗和高功率处理.
- 为了实现广泛的运行带宽和显著的相位转移能力.
主要方法:
- 设计和制造一个使用折叠GGW和曲的相变器.
- 整合了一个可移动板机制来调整波导的长度和相位.
- 电磁模拟和实验测量用于性能验证.
主要成果:
- 在13GHz中心实现了37%的阻抗带宽.
- 展示了0.6dB的最大插入损失.
- 获得了最大的相位移770°.
- 验证了GGW技术没有电接触的优势,使零件可以自由移动而不会泄漏.
结论:
- 拟议的GGW相变器提供了一个实用,低损耗和可重新配置的解决方案.
- 固定的输入/输出端口位置提高了实际的可用性.
- 该设备适用于要求精确相位控制的雷达和卫星应用.
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