高功率毫米波圆波导TM01—TE11模式变换分析
Analysis of high-power millimeter wave circular waveguide TM01—TE11 mode converter
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摘要: 在数值研究高功率毫米波TM01—TE11光滑弯曲圆波导模式变换的基础上，对弯曲波导的几何结构进行了优化分析。在模式耦合理论的基础上，优化出了比较好的几何结构，并发现了圆波导半径、弯曲圆波导曲率和频率以及频带宽度之间的变化规律。以此数据设计的模式变换器的转换效率可达99%，带宽超过29.8%。Abstract: According to the numerical study of the mode converters in smooth bent, circular waveguides on highpower millimeter waves TM01—TE11, the geometrical dimensions of the bent waveguides are optimized in this paper. On the basis of mode conversion theory, this paper further optimized a better dimension and obtained the regulation about the radius of the circular waveguides, curvature and frequency of bent circular wave guides and the bandwidth. The mode converter designed in this way owns high conversion efficiencies of 99% with its bandwidth exceeding 29.8%.
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Key words:
- circular waveguide /
- bent waveguide /
- mode conversion /
- mode converter /
- mode coupling
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