采用Rayleigh-Ritz方法和多项式表示对脊加载椭圆波导的传输特性进行了分析.数值计算与电磁仿真软件结果能很好地符合.研究了不同尺寸对脊波导带宽的影响,对这类结构的优化具有指导意义.
Application of ridged rectangular and circular waveguides has been found in many areas.In this paper,with the Rayleigh-Ritz method and polynomial representation,the wave propagation characteristics in the ridged elliptical waveguide are analyzed.The numerical results are in good agreement with calculation using electromagnetic field simulation software.The variation of bandwidth with physical dimensions has been studied.It is helpful for optimizing this kind of structure.