局、矿远程图形、图象实时双向传输需要宽频带的传输信道，光纤光缆信道是理想的选择。

Optic cable is ideal when wide band transmission channel is required to implement realtime dual transmission of bureau, mine remote picture and image.

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研制宽频带的吉赫横电磁波传输室，其高频输入接头的设计尤为关键。

The design of high frequency input connector is especially important for the development of wide band gigahertz TEM cell (GTEM cell).

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其次，结合MATLAB编程仿真和HFSS建模仿真，对微带天线的三种典型分析方法进行了深入研究，即传输线法、腔模理论和有限元法，为下面宽频带微带天线的设计奠定了理论依据。

Secondly, Using MATLAB and HFSS to deeply research three types of analytical method for microstrip antenna which are transmission line method, cavity mode theory and finite-element method.

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