line characteristic impedance 传输线特性阻抗 normalized characteristic impedance 正常化特性阻抗 ..
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line a characteristic impedance 传输线特性阻抗
The process of adjusting impedance so that the input impedance of an antenna equals or approximates the characteristic impedance of its transmission line over a specified range of frequencies.
天线匹配指定频率范围内，调整阻抗使得天线的输入阻抗等于或大致等于其发射线路特性阻抗的过程。
The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.
EMTDC仿真试验结果表明该方法可以准确地实现单相故障选线，并验证了文章对输电线路零序输入阻抗相频特性分析的正确性。
The characteristic impedance of unscreened slab-line is obtained, based on the investigation of the properties of the equipotential line in vertical stripline.
本文通过保角变换研究了垂直带状线中等位线的特性，结果表明其中有一根非常近似于圆的等位线。
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