摘要
提出了一种新型同轴慢波系统——紧密缠绕螺旋线介质棒加载盘荷波导,解析推导了其色散方程和耦合阻抗的表达式,并给出了数值计算结果。结果表明:新型导波结构作为行波管的慢波系统,不但可使行波管具有相对较宽的频带,又可使其具有较高的耦合阻抗。
A new kind of coaxial slow wave structure for traveling wave tube is developed in this paper, which can be regarded as disk-loaded waveguide with coaxial dielectric rod winded by metal helix. By means of field matching method, the dispersion equation and coupling impedance for that kind of slow wave circuit are obtained. Numerical results show that kind of circuit can work in a broad operating bandwidth, and its coupling impedance can reach 15 ohms or so. The results presented in this paper provides basis on designing this kind of slow wave structure.
出处
《电子科技大学学报》
EI
CAS
CSCD
北大核心
2001年第5期484-488,共5页
Journal of University of Electronic Science and Technology of China
基金
四川省青年科技基金资助项目
关键词
慢波系统
空心电子束
波导
slow wave system
hollow electron beam
dispersion characteristics
coupling impedance
