一种开敞式脊加载折叠波导慢波电路的高频特性研究
投稿时间:2016-10-27  修订日期:2016-11-23  点此下载全文
引用本文:吕素叶.一种开敞式脊加载折叠波导慢波电路的高频特性研究[J].红外与毫米波学报,2017,36(2):246~251].Lü Su-Ye.Study on the High-Frequency Characteristics of An Open Ridged Loaded Folded Waveguide Slow-Wave Circuit[J].J.Infrared Millim.Waves,2017,36(2):246~251.]
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吕素叶 中国科学院电子学研究所 lvsuye@163.com 
中文摘要:提出了一种开敞式脊加载折叠波导慢波结构。通过除去直波导段周围的金属边界,形成一种开敞式结构以减弱色散,同时在直波导段加脊以提高耦合阻抗。研究表明,和传统结构相比,新型结构在不影响带宽的前提下,有效提高了耦合阻抗,尤其在大功率设计情况下,耦合阻抗的提高接近1倍。
中文关键词:折叠波导  行波管  耦合阻抗  高频特性
 
Study on the High-Frequency Characteristics of An Open Ridged Loaded Folded Waveguide Slow-Wave Circuit
Abstract:An open ridged loaded folded waveguide slow-wave circuit has been proposed in this paper. By removing the metal boundary of the straight waveguide, an open structure has been formed to reduce the dispersion, while the ridge has been loaded to improve coupling impedance. Compared to the conventional structure the improved circuit structure not only increases the interaction impedance significantly but also keeps the dispersion characteristics well. Especially in the high-power design the coupling impedance is nearly doubled.
keywords:folded waveguide, traveling-wave tube (TWT), coupled impedance, high-frequency characteristics
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