By calculating engineering examples,it has been shown that the BEM is an effective approach for computation of the characteristic impedance of the TTC,and is applicable to the exact design of the TTC engineering problems.

• 计算结果表明 :边界元法是计算横电磁波传输室特性阻抗的一种有效方法 ,不仅具有较高的计算精度 ,而且可以很方便地应用于工程问题的设计与计算