This paper describes the application of finite element method for obtaining the TE mode′s cutoff wavelength and the field pattern of symmetric quadruple-ridged rectangle waveguide.
应用有限元分析方法计算了对称四脊矩形波导TE模式的传输特性，即截止波长和场结构图传输特性。
The cutoff wavelength of ridge waveguide is very closed to the ridge position. It can be changed by changing the ridge position.
脊波导的截止波长与脊位置密切相关，其值可通过脊位置的改变而改变。
The paper computes the cutoff wavelength and field pattern at different ridge positions in asymmetric single ridge waveguide and L-shape waveguide. Some computational data and figures are presented.
文中编程计算了不对称脊波导、L型波导脊位置变化时截止波长和场结构的变化规律，给出了计算数据和曲线图。
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