波导模式场的求解与探讨  

The Solution and Discussion of Mode Fields in Waveguides

作　　者：史琰[1] 朱世琛 李龙[1] SHI Yan;ZHU Shichen;LI Long(School of Electronic Engineering,Xidian University,Xi'an 710071,China)

机构地区：[1]西安电子科技大学电子工程学院,西安710071

出　　处：《电气电子教学学报》2024年第6期119-124,共6页Journal of Electrical and Electronic Education

基　　金：国家自然科学基金(62371355);国家重点研发计划(2021YFA1401001)。

摘　　要：波导模式场的求解与讨论是“微波技术基础”课程中教学的重点和难点内容。考虑到波导中的电磁波是以平面波反射的方式传输的,因此,从斯涅尔定律出发重新建立波导模式场的求解方法,并进一步拓展研究三角形波导中的模式场。所提出方法能够帮助学生更直观地理解波导中模式场的形成过程。通过基片集成波导(Substrate Integrated Waveguide,SIW)谐振腔和微带贴片天线的算例表明了该方法在实际工程应用中的可行性与有效性。The solution and discussion of waveguide mode field is a key content of the course of Basic of Microwave Technology.Considering that electromagnetic waves in waveguides are transmitted by plane wave reflection,a new method for solving waveguide mode fields is established from Snell's law,and further research on mode fields in triangular waveguides is carried out.The proposed method can help the students understand the formation of the mode field in the waveguide more intuitively.Numerical examples including the substrate integrated waveguide(SIW)cavity and microstrip antenna show feasibility and effectiveness of the proposed method in practical engineering applications.

关 键 词：波导模式场 斯涅尔定律 三角形波导 滤波器设计 天线设计 

分 类 号：TM15[电气工程—电工理论与新技术]