W波段折叠波导慢波系统的尺寸对其冷特性的影响  

Influence of the dimensions of W-band folded waveguide slow-wave system on its cold characteristics

作　　者：于海波[1] 李宇[1] 余恬[1] 雷虹[1] 

机构地区：[1]山东大学信息科学与工程学院,山东济南250100

出　　处：《山东大学学报（工学版）》2008年第3期90-94,共5页Journal of Shandong University（Engineering Science）

摘　　要：分析了W波段折叠波导慢波系统的尺寸对其冷特性的影响,并利用电磁场分析软件MAFIA计算了不同金属材料折叠波导慢波系统在W频段下的功率损耗值.结果表明,影响其色散特性的主要几何参数是结构的几何周期和波导宽边值;影响耦合阻抗的主要几何参数是波导窄边值;影响功率损耗的主要因素是金属的电导率以及波导窄边值.Influence of the dimensions of W-band folded waveguide slow-wave system on its cold characteristics was investigated, and the power loss of different folded waveguides made of different metal materials was calculated in W-band using the electromagnetic software MAFIA. The calculated results show that the main geometric parameters affecting the dispersion are the geometric period and the value of waveguide broad side; the main geometric parameter influencing the couphng impedance is the value of waveguide narrow side;and the main geometric parameters controlling the power loss are the metal＇s conductivity and the value of waveguide narrow side.

关 键 词：慢波系统 色散 耦合阻抗 功率损耗 

分 类 号：TN124[电子电信—物理电子学]