High frequency, the signal transmission cable surface ( skin effect), the smaller size of the Traverse greater loss. 高频时,信号在导线表面传输(趋肤效应),尺寸越小的导线产生的损耗越大。
This is used for locating various faults of the cables for the city cable, high frequency communication cable, buried cable and medal overhead cable line. 用于测量各种市话电缆、高频通信电缆、地埋电缆及金属架空电缆上发生的开路(断线)、短路、接触不良接地等各种电缆故障。
Research of High Frequency Induction Heating Power Supply for Preheats of the Cross-linked Polyethylene Copper Core Cable; Study on Thermal Kinetics for Chemical Crosslinking of SEBS 交联电缆铜导体预热感应加热电源的研究SEBS化学交联的热分析动力学研究
Paired high and low frequency telecommunication cable 对称型高低频电信电缆
According to the high frequency of traveling wave caused by cable fault making against cable fault location on-line, a new kind of data acquisition system of cable fault location on-line is developed. 针对电缆故障所产生的行波频率很高不利于电缆在线故障定位的问题,研制了一种电缆在线故障定位的高速数据采集系统。
The transmission of high frequency signals in multi-conductor electrical cable may introduce serious line-to-line crosstalk, which may result in the loss of signal energy on receivers. 高频信号在多导体电力线上传输时会存在严重的线间串扰,造成接受端信号能量的损失和信号的混乱。
The electrical field shield, high and low frequency magnetic shield and shield of coaxial cable are focused. 重点讨论了电场屏蔽,高、低频磁场屏蔽和同轴电缆线的屏蔽问题。
When designing high frequency microwave cable module, only use theory inferential reasoning to compute it is not realistic. 在设计高频微波电缆组件时,采用完全的理论推导计算不太现实。
But in the high frequency measurements, the effect of cable will lead to serious errors. 这在测量频率较高时将会产生较大的系统误差。
High frequency models of an induction motor and a power cable are used in the numerical simulation. 数字仿真时,采用异步电机和电缆组成的高频模型。
Study of the high frequency transient circuit model of the XLPE cable windings XLPE电缆绕组高频暂态电路模型的研究
The technologies of high frequency distance, zero order protection and optical fiber current differential protection are already applied in the 13 transformer substations and 26 high voltage electric cable lines in the 110 kV electric net of WISCO. 武钢110kV电网有13个变电所,26路采用的是光纤高频距离、零序保护。
The Compensate and Optimization Research of High Frequency Cable Module 高频电缆组件的补偿优化研究
The comparison made with the tests of high voltage cross linked polyethylene cable by DC voltage endurance, 0.1 Hz ultralow frequency voltage endurance, IF syntony and FM serial syntony voltage endurance indicates that DC voltage endurance test is detrimental to high voltage cross linked polyethylene insulated cable; 通过对高压交联聚乙烯绝缘电缆进行直流耐压、0.1Hz超低频耐压、工频谐振以及调频串联谐振耐压等试验方法的分析比较,指出直流耐压对交联聚乙烯电缆的危害;
High frequency signal transmission on power cable 高频信号在动力电缆中的传输
The high frequency signal propagation on power cable is demonstrated theoretically by solving transmission equation and analysing the stable solution. 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。
New Principle of High Frequency Coaxial Cable Equalization 新的高频同轴电缆补偿原理
QAM have some advantages, such as high frequency band utilization rate, good anti-interference ability and so on. It is widely used in mobile communication and satellite communication, especially in the cable digital television transmission. QAM调制具有抗噪声性强、频带利用率高等特点,被广泛应用于卫星通信和移动通信领域中,尤其适合有线电视电缆传输。
High frequency relay is widely used in wireless telecom, cable TV ( CATV) and automatic test equipment ( ATE) fields. 高频继电器主要应用在无线通信、有线电视以及自动测试设备(ATE)等电信领域。
Among those, the high frequency feed-through cable forming from a section of unclosed copper cable and the equivalent fringing capacitance in the terminal is studied. It acts as the LPF, effectively eliminating the high frequency component in the feed-in signal. 高频扼流圈是一段未闭合的铜,和其终端等效的边缘电容形成一个低通滤波器,可以有效地滤除馈入信号中的高频成分。