文中通过所建立的本征方程对波导中各模式的截止频率进行了求解，数值结果与已有结果符合良好。

In this paper the cut-off frequencies of modes of waveguides are calculated via given eigenvalue equation. The results show good agreement with those from other sources.

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本文提出用周期波导的方法，分析平面阵列波导光栅模式参数及其本征方程。

In this thesis, the AWG's transverse-mode parameter and its eigen equation as well is analyzed based on the periodic waveguide method.

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通过亥姆霍兹方程研究了双弯曲截面柔性波导的本征模式；运用光学方法计算了波导的传输效率。

The eigenmode of a hollow waveguide with two curved surfaces was analyzed with Helmholtz equation and the transmitting efficiency of the hollow waveguide was analyzed with a ray optics approach.

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