本文利用波导的传输线模型及阻抗变换技术，分析了多分叉波导的性质。

In this paper, we present the analysis of multifurcated waveguides by the transmission line model and impedance transformation technique.

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针对矩形巷道中由于金属支护立柱的存在而带来的分叉不连续问题，提出用分叉波导模型并用模式匹配法和多模传输理论分析传输特性。

A fork waveguide model is proposed and the mode matching and multi-mode network technique are used to analyze the transmission characteristics of rectangular tunnel with metallic pit prop.

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首先，对Y分叉光波导的研究。

The first is its application on Y-branch optical waveguide.

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