Failure mechanism of vibration signal analysis is the mechanical fault diagnosis technology used in one of the main method.
故障机理的研究振动信号分析是机械故障诊断技术中采用的最主要的方法之一。
Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.
小波变换具有良好的时频局部性，具有变焦距的特点，对故障信号中的奇异点能够准确识别，是论文中应用的主要分析方法。
Based on the analysis of main fault types of LV (Low Voltage) flameproof motor, the negative sequence protection principle is proposed for its asymmetric short circuit fault and open phase fault.
通过分析低压隔爆电动机的主要故障类型，针对不对称性短路故障和断相故障提出了采用负序保护原理进行保护的方案。
The paper introduces the main contents and the method of the fuel analysis technique and puts forward the technical scheme for monitoring and fault diagnosis which is realized in coal mine machinery.
介绍了油料分析的主要内容和方法，提出了实现煤矿机械设备状态监测和故障诊断的技术方案。
Based on the analysis on the start fault on the basis of the structure and the function of main engine remote control system, it provides some useful methods to deal with the problems.
从微机主机遥控系统的结构及基本逻辑功能分析了某船微机主机遥控系统不能正常起动的故障原因。
Fault diagnosis of main pump of the primary system of reactor which runs at normal condition is studied by the vibration, analysis technique.
应用振动监测技术，通过参数分析、信号分析及谱分析，对反应堆一循环在役主泵的故障进行了分析诊断。
At last, analysis the relationship of fault and sedimentary facies between the the exhibition of the sand body of main layer.
同时分析、总结了断层和沉积相对砂体展布的控制作用。
The experiment main USES the modeling crack fault in the laboratory bench. It monitors and collected vibration signal of rotating machinery fault for acquisition and analysis.
并在该实验台上模拟裂纹故障，监测并且采集旋转机械的振动信号，对其进行采集与分析。
The article introduces the structure and common fault of main shaft in KJ-type hoister and suggests some ways of fault disposal according to the analysis of the fault.
介绍了KJ型提升机主轴装置的结构及常见故障；针对故障进行认真分析，提出故障的处理方法。
The article introduces the structure and common fault of main shaft in KJ-type hoister and suggests some ways of fault disposal according to the analysis of the fault.
介绍了KJ型提升机主轴装置的结构及常见故障；针对故障进行认真分析，提出故障的处理方法。
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