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引用第16楼kerbcurb于2009-10-26 16:05发表的 : n/x((d%"E 特性阻抗是由传输线的几何结构【尺寸】决定的,如果是圆形馈管,根据内外导体的直径比值的不同而不同,国内目前有50欧姆和75欧姆两种特性阻抗的 0X4)=sJP 传输线的输入阻抗是传输线输入端电压与电流的比值,如果传输线另一端接有负载,这个时候输入阻抗会随着负载的阻抗变化而变化。 3y,2RernK
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