最初用于高频电缆的绝缘体（如雷达），现主要用于农膜、包装膜和食品包装膜。
Its first use was as an insulator for high frequency cable (RADAR). Its main use is now for films, for packaging and agriculture.
请注意，在高频下，电缆的物理长度与其电气长度不同。
Note that at higher frequencies, the physical length of a cable is different from its electrical length.
通过对传输方程求解以及对稳态解的分析，从理论上说明了高频信号在动力电缆中的传播情况。
The high frequency signal propagation on power cable is demonstrated theoretically by solving transmission equation and analysing the stable solution.
这个系列的产品能有效抑制高频杂讯而且适合抑制由讯号电缆所辐射的杂讯。
The series is effective in high frequency noise suppression and suitable for radiation noise in signal cables.
针对上述问题，本文首先通过传输线理论建立了机车用电缆的分布参数模型，以及变频调速牵引电机的高频等效电路。
In allusion to the problems mentioned above, firstly, the paper models the distribution parameter circuit of the cable and the high frequency circuit of motor through the transmission theory.
本文在对称等效的基础上，建立了动力电缆的高频等效电路及动力电缆的高频传输方程。
On the basis of symmetric-equivalent circuit, the high frequency equivalent circuit and transmission equations of power cable have been developed.
论文分析了传统配网电力电缆故障探测方法的不足和缺点，提出利用高频感应法及红外热象技术两种新方法来进行故障探测。
The utilization of high frequency induction method and infrared imaging method is highly proposed to detecting fault of power cables by these two new means.
对于工作于较高频率的系统尤其如此，因为其单元栅格的物理空间相对较小，使得电缆布线非常困难。
The system operating higher frequency is getting worse, because of the smaller space of the grid of radiating element and the difficulty of arrangement cables.
对于工作于较高频率的系统尤其如此，因为其单元栅格的物理空间相对较小，使得电缆布线非常困难。
The system operating higher frequency is getting worse, because of the smaller space of the grid of radiating element and the difficulty of arrangement cables.
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