摘要
用多模网络与严格模匹配相结合的方法,对纵向填充一层、两层和多层手征介质的双平板中导模的反射和透射特性进行了分析和求解。分析中在横截面采用等效传输线,在纵向采用多模传输线方法,并且利用结构的对称性使得问题简化。对各种不同情形进行了数值计算,讨论了手征参数和波导结构的尺寸对反射和透射特性的影响。
The reflection and transmission characteristics of guided modes in parallel-plate waveguides filled with one layer, two layer and multilayer chiral medium along the longitudinal direction are solved by multimode network theory with a rigorous mode-matching procedure. Equivalent transmission lines in the transverse cross section and multimode transmission lines in the longitudinal direction are employed, and the symmetrical property of the structure in the longitudinal direction is considered so that the whole analysis can be simplified. The numerical results for different cases are presented. The effect of chirality and geometric parameters of the chiral medium on the reflection and transmission characteristics of guided modes is discussed.
出处
《电波科学学报》
EI
CSCD
北大核心
2005年第4期429-433,共5页
Chinese Journal of Radio Science
基金
国家自然科学基金(60307003
60171019)
浙江省自然科学基金(602153)
浙江省教育厅科研项目(20020426)资助
关键词
手征介质
双平板波导
不连续性
多模网络
模匹配
chiral medium, parallel-plate waveguide, discontinuity, multimode network, mode matching
