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。
应用推荐