Introduces the signal cable fault locator detector developed on basis of TDR mode.
介绍了采用TDR方式(时域反射法)开发的信号电缆故障点检测仪。
Then, the paper introduces the many kinds of methods of power cable fault location.
其次介绍了电力电缆故障测距的各种方法。
In order to find out about the change rule of the cable fault, the test was carried on.
为了更好地了解电缆的变化规律，进行了室内试验。结合实际应用，给出了TDR监测滑坡的野外应用实例。
The electric voltage echo coefficient provides dependable theories to the power cable fault location.
电压反射系数为电力电缆故障测距提供了可靠的理论依据。
Cable fault on-line monitoring and fire pre-warning system is specially developed for pre venting cable channel fire.
电缆故障在线监测及火灾预警系统是为防治电缆沟、槽火灾而专门开发研制的。
There are not efficient methods for cable fault location on-line, so this topic has an exigently realistic significance.
而国内外较成熟的电缆故障测距方法大都基于离线状态，电缆在线故障测距，仍缺少有效的方法。
In order to locate power cable fault fast and accurately, the acoustic propagation time measurement was developed to detect cable fault.
为了快速准确的找到电力电缆故障所发生的位置，研究了声磁传播时间差法测寻电力电缆故障点。
With the increasing application of the power cables, it is necessary to constantly improve the accuracy ranging of cable fault location.
随着电力电缆应用的增多，对电缆故障测距的精确度要求也不断提高。
Because the power cable is buried in the ground and its running environment is complicated, so the diagnosis of cable fault location is very difficult.
电力电缆埋藏于地下，运行环境复杂，因此进行电缆的故障诊断比较困难。
Signal cable plays an important role in signal safety control equipment, once there is cable fault occurred, it will interfere severely the train operation;
信号电缆在信号安全控制设备中担负重要作用，一旦电缆出现故障，将严重影响列车运营，而且修复电缆需要较长的时间和大量的人力、物力。
Seismic data and system order are transmitted through the path defined by the operator, which can avoid the lay -out problem produced by separate cable fault.
地震数据及系统命令沿操作者定义的路径传输，可避免因个别电缆故障而引发的排列问题。
Take the measure of the breakdown of buried cable as an example, the measure method and the fixed-point skill of the buried cable fault were analyzed briefly.
以地埋电缆发生故障测寻故障点为例，就地埋电缆故障测寻方法与定点技巧进行简要分析。
In order to implement the parameter estimate in cable fault location system, an improved Bayes algorithm used for Model parameter estimate is proposed in this paper.
为实现电缆故障定位系统的参数估计，提出了一种用于模型参数估计的改进贝叶斯算法。
Analysis of measured signal of low resistance cable fault shows that: the method reduces deviation of singularity detection and improves precision of fault location.
测得的信号低电阻电缆故障的分析表明：这种方法可减少偏差的奇异性检测，提高了故障定位的精度。
With more power cable application in transmission and distribution systems, the higher demand of cable fault location accuracy is necessary for reduction of the power cut loss.
电力电缆日益广泛地应用于输配电系统，为了减少电缆故障停电损失，对电缆故障测距的精度要求越来越高。
The application results show that the instrument can perfectly satisfy the requirement for automatic testing the communication cable fault point rapidly in a local telephone network.
实践证明，在区域性电信网络中，电信电缆监测仪可以快速地实现电缆故障点自动定位。
The authors analyzed the shortage in both existing fault location equipments and methods, and a virtual instrument based power cable fault location intelligent equipment was designed.
文章分析了现有测距设备的不足和测距方法存在误差的原因，并设计了基于虚拟仪器的电力电缆故障智能测距仪。
At last, the performance of power cable fault location system is tested in this article, the test result indicates that the system meets the requirements of power cable fault location.
论文最后对电力电缆故障测距系统进行了实验测试，结果表明该系统满足电力电缆故障测距的要求。
The automatic testing method of cable fault is characterized by that the pulse signal transmitted and received by pulse reflection test circuit can be directly superposed on the output end of d.
电缆故障的自动测试方法，其特征在于是将脉冲反射测试电路发射与接收的脉冲信号直接叠加到直流高压测量电路的输出端，直流高压测量电路的输出端与被测电缆端口连接。
But if the power cable goes wrong during use, it is difficult to locate the fault quickly. If can't eliminate the cable fault and restore power supply in time, huge economical loss will be made.
但在电力电缆的使用过程中，一旦发生故障，很难快速找到故障点的位置，如果不能及时排除故障并恢复供电，往往会造成巨大的经济损失。
Especially for the buried cable, if the fault point can't be located quickly and precisely, it would expend a lot of time, funds and manpower.
特别是对于直埋电缆，如果不能快速准确地确定故障点位置，故障的排除就会花费大量的时间、资金和人力。
Simulation shows that the accuracy that the fault type of the cable judges measure is improved greatly with the conclusion of fusion based on D-S evidence theory.
仿真结果表明用基于D—S证据理论的融合结论可以大大提高电缆故障类型判定的准确性。
The method offers valuable applicable effects in cable characteristic test and fault diagnostics.
该方法在电缆特性测试和故障诊断等技术中具有较高的应用价值。
Fault location or DTF mode indicates VSWR or Return Loss levels at each point along the cable and antenna system length.
故障定位或DTF模式指示驻波比或回波损耗水平在各点沿电缆长度和天线系统。
Main cable conductor doesn't have splice, so has good continuity and decreases possibility of fault point.
主干电缆导体无接头，连续性好，减少了故障点。
The XLPE cable insulation fault on line monitoring system designed in this paper abides by modularization, hierarchical, having great scalability and small current measure reference function.
本文所设计的XLPE电缆绝缘故障在线测量系统，遵循模块化、层次化，具有良好的可扩展性和小电流检测的参考作用。
After locating this fault, the circuit identifies the open wire and allows you to open and repair the correct cable end.
定位这个故障后，电路识别开路电线，允许断开和修复正常的电缆端。
XLPE cable insulation fault on line fixed-point is reserved for system expansion, In order to offer convenient factors for later development.
并预留了XLPE电缆绝缘故障在线定点系统的扩展口，为后续开发提供了便利条件。
A roof fall accident that was caused by bolt support is analyzed. The influence of the lane fault to bolt (cable) is pointed out. It has a certain reference for support selection of the same lanes.
对锚杆支护引起的一起冒顶事故进行了分析，指出了顺巷断层对锚杆(索)支护的影响，对同类巷道的支护选择具有一定的借鉴意义。
A roof fall accident that was caused by bolt support is analyzed. The influence of the lane fault to bolt (cable) is pointed out. It has a certain reference for support selection of the same lanes.
对锚杆支护引起的一起冒顶事故进行了分析，指出了顺巷断层对锚杆(索)支护的影响，对同类巷道的支护选择具有一定的借鉴意义。
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