The antenna and cable must be carefully matched to ensure a low Standing Wave Ratio (SWR).
小心地将天线与电缆匹配,以确保低定波比率(SWR)。
F ROM above, a method to realize the testing of cable partiality online by ultrasound standing wave is advanced.
在此基础上本文提出了利用超声驻波的方法实现电缆偏心在线检测。
The propagation process of pulse wave in the cable and influence of cable length on overvoltage and wavefront time of winding are discussed in this paper.
讨论了脉冲波在电缆中的传播过程以及电缆长度对线圈端的过电压和脉冲上升时间的影响。
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