Sag state estimation observability analysis is modeled and correlative modification method is proposed from the point of fault current superimposing firstly.
基于故障电流叠加原理，构造了电压跌落状态估计可观性分析的数学模型，合理地解决了部分故障路段不可观的问题。
After analyzing current fault diagnosis methods based on multi-frequency sensitivity in analog circuits, a new sensitivity matrix analysis approach is presented to select testing frequency.
在分析现有模拟电路多频灵敏度故障诊断方法的基础上，提出一种新的测试频率范围的选择方法，即灵敏度矩阵分析方法。
These seismic analysis method of buried pipeline crossing fault in engineering practice are discussed and the current seismic measures for pipeline engineering in China are recommended.
对常用的跨断层管道抗震分析方法进行了评述，并列举了我国管道工程中可行的抗震措施。
This method has been applied to analysis of field test data of small current fault relaying, and obtained good results.
将该文提出的判别方法用于处理小电流单相接地故障保护的现场试验数据，获得了好的效果。
According to frequency characteristics of the stator current, which carries the fault information, there are two methods: Wavelet decomposition and spectral analysis.
针对定子电流特征频率所携带的故障信息，目前主要有两类处理方法：小波分解和频谱分析。
The waveforms of the current fault component of two phases are symmetrical according to an analysis of wrong-phase-coupling. This characteristic can be quickly extracted by correlation analysis.
基于对异相短路的分析，发现两相电流故障分量波形呈现反向对称性，可利用相关分析法快速提取此特征。
Wavelet transform was proved to be a suitable tool for the analysis of travelling waves and is utilized here to extract fault information from current travelling waves and implement protection scheme.
小波变换作为新的数学分支，在这里用来提取电流行波信号中的故障信息，实现原理方案。
A visualized analysis system of leak current fault transmission graph is developed. Its functions, program structure and programming principle are described.
论述了自行研制设计的可视化漏电故障传播关系图分析系统的功能及程序结构与设计原理。
In this dissertation, a detailed analysis of the current situation of study on fault-tolerant control and a discussion about the problems of fault-tolerant for complex systems are stressed.
本文详细分析了容错控制的研究现状，着重研究了复杂系统的鲁棒容错控制问题。
In this dissertation, a detailed analysis of the current situation of study on fault-tolerant control and a discussion about the problems of fault-tolerant for complex systems are stressed.
本文详细分析了容错控制的研究现状，着重研究了复杂系统的鲁棒容错控制问题。
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