查询词典 fault analysis

It is a very important to determine fault movement and the direction of Principal stresses for structural analysis.

断层的运动方式和主应力方向的判断是构造分析的一个重要方面。

Based the coefficient matrix,principal component analysis model was established to diagnose sensor fault.

如果这几个重要传感器在试车过程中发生故障而未被检测到，会对试车造成灾难性的后果。

A combination method of the fault tree analysis and fuzzy comprehensive estimation was established to evaluate the reliability of oil well pump.

文中将故障树分析和模糊综合评判分析相结合，建立了组合分析法，并对抽油泵进行了可靠性分析。

We mainly research on more complicated reparable system: Convert Fault Tree model based on factor analysis to SPN of system; Describe the running of reparable system by use of state transition.

这里我们主要针对较为复杂的可修复系统部分进行重点研究，将故障树转化为大系统的随机Petri网模型，利用状态转移来描述可修系统部分的运行情况，由其状态转移概率建立系统的状态方程，从而得到系统的稳态可靠性，再结合不可修系统部分对整个大系统进行全面综合的分析，提出了基于随机Petri网的复杂大系统的可靠性分析方法。

Then it analyzes the unstable and stable signals by applying Short Term Fourier Transform , Wavelet Packet Auto-Regressive Model Spectrum , the Second Order Cyclostationary Spectrum as well as chaos-fractal theory, extracts the fault features of analysis objects.

采用了短时Fourier变换、小波包AR谱、二阶循环谱方法及混沌分形理论分析了稳态和非稳态振动信号，提取出了分析对象的故障特征。

This article expatiated on the structure and principle of coreless transformer in printed circuit board, introduced and analysed the Hurly_duffy's method to calculate the self and mutual inductance of coreless transformer in printed circuit board in which I found the fault, re-modified the current unit model, deduced a new formula used commonly, and offered testing process and circuit as well as mended the structure of coreless transformer which made the analysis easy.

本文阐述了无芯印制板变压器的基本结构和原理，介绍和分析了Hurly-duffy 的无芯印制板变压器自感和互感的计算方法，指出了它的不足，在纽曼公式的基础上，重新修正了电流元模型，将线圈看作是粗线圈，推导出普遍适用的计算公式，并给出了测试方法和测试电路。

The sequential network analysis of single phase earth fault is conducted using the symmetrical component method.

部分城市电网主要以电缆作为送电线路，且使用紧凑型的全封闭式的开关设备及氧化锌避雷器，有些城市使用了不少耐压标准较低的电缆。

Control system Igniting Emergency cut-off Sequential circuit Reliability Fault tree analysis

控制系统；点火；紧急关机；时序电路；可靠性；故障树形图分析

A new method of fault diagnosis based on the nonlinear spectral analysis for a class of nonlinear systems with the Volterra series solution is given in this dissertation. The new method consists of three elements.

本文对一大类可以用Volterra级数描述的SISO非线性系统进行了研究，在前人研究的基础上，提出了一整套工程可实施的基于非线性系统频域分析的故障检测与诊断理论和方法。

On the basis of the working principles of b-ultrasonic apparatus and its probe, the essay makes an analysis of the causes and manitenance of crystal failure, lens fault, jacket damage, shell damage, cable leakage and circuit boards burned.

本文在介绍b超仪及探头原理的基础上，对晶体故障、透镜故障、护套损坏、外壳损坏、电缆线外漏和电路板烧坏等故障及其原因和检修进行了分析。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。