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。
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。
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。
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。
In order to locate the fault of cable. The author puts forward a system of cable fault location that is the kind of automatic test equipment.
为了准确的检测出电力电缆故障点，本文提出一个电力电缆故障智能检测系统的设计方案。
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。
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。
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 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。
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。
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。
Cable insulation fault occurs frequently. Its location is complicated especially when the dielectric strength between two adjacent cores becomes low (incomplete breakdown).
绝缘故障是线缆的常见故障之一，当两个绝缘线芯之间处于低绝缘(或不完全击穿)条件下其定位技术更为复杂。
Based on the investigation of development state of the cable sheath fault location devices home and abroad, a new cable sheath fault testing device is designed in this thesis.
本文在对国内外电力电缆护层测距仪的现状进行分析的基础上，设计了一种新型的电力电缆护层故障测试仪。
It introduces cable grounding fault location method and analysis. It provides fast and true method for power supply enterprise to find fault point when cable is failure that is not easy to find.
介绍了电缆接地故障定位与分析，解决了电缆发生故障不易查找故障点的问题，为生产及供电企业快速准地查找故障点提供了可以借鉴的方法。
It introduces cable grounding fault location method and analysis. It provides fast and true method for power supply enterprise to find fault point when cable is failure that is not easy to find.
介绍了电缆接地故障定位与分析，解决了电缆发生故障不易查找故障点的问题，为生产及供电企业快速准地查找故障点提供了可以借鉴的方法。
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