But in the application of domestic scroll compressor time also is not too long, the use of fault analysis in the process are few.
但是涡旋压缩机在国内的应用时间还不是很长，对其使用过程中故障的分析还不多。
These analysis method in fault diagnosis process can play an important role, but Fourier analysis method is only suitable for analysis of the continuous, the steady time signal.
这些分析方法在故障诊断过程中起到了重要的作用，但傅立叶分析方法只适合于分析连续的、平稳的时域信号。
Then the time domain analysis methods and frequency domain analysis methods which are frequently used for fault diagnosis have been discussed.
其次论述了常用的故障诊断方法，即时域分析方法和频域分析方法。
To compare with other kinds of fault injector, this new method of fault injection have the merits of easy to manipulate and control, real-time fault injection and online analysis.
和传统的硬件故障注入法、软件注入法相比，此方法具有操作简单、易控制注入故障深度、实时注入、在线监控分析等突出优点。
Introduction to calculation of recovery voltage in short line fault (SLF) and theoretical analysis of the interrupter in various arcing time.
介绍开断近区故障(SLF)时恢复电压的计算和灭弧室在不同燃弧时间下的理论分析。
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。
In order to achieve the purpose of improving the response speed and shortening the settlement time, this paper studied the fault alarm and data analysis.
通过研究故障报警和数据分析，提高响应速度，缩短解决问题时间，分析出故障多发工位。
Side Channel Attacks could be divided into three branches: time analysis, power analysis and fault analysis.
旁道攻击分为三类：时间分析，功耗分析和故障分析。
In this paper, time series bi-spectrum analysis for fault diagnosis of speed-regulating valve is proposed to study a new fault detection method for the hydraulic system.
研究液压系统的一种新的故障检测方法，利用时间序列双谱分析实现调速阀故障诊断。
The relation of wear and vibration of gear of simulating pitting fault was studied by using ferrographic analysis and the time and frequency spectrums of vibration analysis technology.
利用铁谱分析技术和振动分析技术中的时频分析方法研究了模拟点蚀故障齿轮磨损与振动的关系。
Through dynamic time warping analysis to the hot-fire test data and simulated fault data of a certain liquid rocket engine, the warped path sets were obtained.
对某大型液体火箭发动机的热试车数据及通过发动机模型仿真得到的故障数据进行动态时间弯曲分析，得到弯曲路径集，然后结合决策树方法进行了故障检测和诊断。
Later, the technical staff locates the time and type of fault through analysis of the data processing.
并在后期通过对数据进行分析处理来定位故障发生时间和类型。
The characteristic frequency band of the fault could be identified by wavelet packet decomposition and its energy spectrum conveniently, at the same time, quantification analysis were performed.
应用小波包分解及其能量谱直观地识别出故障的特征频带，并进行了量化分析。
A new dynamic fault tree analysis method based on discrete-time Bayesian networks is proposed.
提出了一种基于离散时间贝叶斯网络的动态故障树分析方法。
Wavelet analysis, also called wavelet transform, is a new analysis method with good time frequency localization characteristic, so it is suitable for fault analysis of power system.
小波分析(或称小波变换)是一种新的时频分析方法，它具有良好的时频局部化特性，适用于电力系统故障分析。
In the view of feature signal extraction, the local wave time-frequency analysis and information entropy were used to deal with fault diagnosis.
从特征信号提取的角度出发，采用局域波时频分析和信息熵结合的方法进行往复式压缩机故障诊断。
This paper mainly introduces that the fault vibrating signal of gears was decomposed into time-frequency domains by double-orthogonal wavelet analysis and the fault feature of gears was picked up.
利用双正交小波基将齿轮的故障振动信号分解到时频域，并提取出齿轮的故障特征。
The traditional time and frequency domain methods of vibration signals of gear box fault are introduced in this paper. And meanwhile this paper lists different applied fault analysis means.
介绍了齿轮箱故障振动信号传统的时域、频域分析方法，并列举了一些不同故障所应用的分析方法。
At the same time the data kept can be used in off-line analysis, help to research and predict the fault law and offer reference to design the power net and dispose the protect device in the future.
同时保存下来的数据可以用于离线分析，有利于对故障规律进行研究和预测，对日后的电网设计和保护设备配置提供参考。
A modularization expert system based fault-tree analysis and statistical probability for real time fault detection of large anfractuous circuit is proposed in this paper.
本文提出了一种基于故障树分析和统计概率的模块化专家系统，作为此大型指挥控制系统电路的故障实时监测之用。
The program realized displaying real time curve and history curve of cell signals, querying history report, spectrum analysis of cell resistance and fault diagnosis for the cell state.
实现了槽信号的实时曲线和历史显示，历史报表查询，槽电阻频谱分析和神经网络故障诊断功能。
A novel fault identification algorithm based on smooth pseudo Wigner-Ville distribution (WVD) is proposed, which focused on the time-frequency analysis of network traffic.
通过研究网络流量的时频分析，提出了一种新的基于平滑魏格纳分布(WVD)的故障识别算法。
To determine the fault position, the system based on the time domain vibration information of starter utilizes the method of spectrum and cepstrum analysis to process vibration information.
系统以起动机时域振动信息为基础，运用频谱分析和倒谱分析方法处理振动信息，以确定故障部位。
The time-frequency analysis method is widely applied to rolling bearing fault diagnosis due to it can simultaneously provide time and frequency domain information of a signal.
由于时频分析方法能同时提供振动信号的时域和频域信息，因而在滚动轴承故障诊断中应用最为广泛。
So the traditional stability analysis methods cannot be applied to the new condition. This paper proposed a new method to compute the probability distribution of fault critical clearing time.
这使得传统的稳定分析方法已不能适用于新的形势，为此提出了概率稳定分析这一新的课题。
So the traditional stability analysis methods cannot be applied to the new condition. This paper proposed a new method to compute the probability distribution of fault critical clearing time.
这使得传统的稳定分析方法已不能适用于新的形势，为此提出了概率稳定分析这一新的课题。
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