在此基础上研制一套通用性旋转机械振动信号测试与分析系统。
A general vibration signal testing and analyzing system for rotating machine is developed based on the methods.
阶比分析技术是旋转机械振动信号分析和故障诊断的一项重要技术。
Order analysis is one of the most important techniques of rotating machinery involving vibration signal processing and fault diagnosis.
提出了一种自适应提取往复机械振动信号冲击特征的信号处理方法。
A method for extracting impulse features from vibration signals of reciprocating machinery is presented.
提出了一种自适应提取往复机械振动信号冲击特征的信号处理方法。
It is introduced in the feature extraction of the vibration signal induced from reciprocating machinery valve, and t.
通过分析旋转机械振动信号的特点，指出旋转机械的振动信号为循环平稳信号。
The paper considered the vibration signals of rotating equipment as cyclostationary signals through analyzing the features of this kind of signals.
利用电阻应变计开发的动应变测量系统，成功的实现了机械振动信号的动态检测。
The dynamic test in signal detection of mechanical vibration are realized by using resistance strain gauges.
试验表明，系统可以发现故障机械振动信号带有的奇异性，实现旋转机械的故障诊断。
Experimentation results indicate that the singularity of the fault machinery vibration signal can be detected and the machinery fault can be discovered by the system.
针对旋转机械振动信号数据采集的特点，提出了用数学形态滤波器实现轴心轨迹提纯的新方法。
Targeting at data acquisition characteristics of vibration signals of rotating machinery, a new rotor orbit purification method using mathematical morphology filters is proposed.
希尔伯特-黄谱可以将机械振动信号分解为有限的模式，然后以时频方式揭示机械的运行状况；
The Hilbert-Huang spectrum can decompose the mechanical vibration signal as finite modes, then disclose the running status of machinery by the means of time-frequency;
介绍了一种用于旋转机械振动信号分析的阶比跟踪方法，以及基于PCI数据采集卡的具体实现方法。
In this paper, an order tracking method, which is used to analyze vibration signal of rotating machinery and its implement based on PCI data acquisition card are introduced.
试验结果表明，变窗移傅里叶变换算法正确可行，可有效提取旋转机械振动信号转速谱阵的特征信息。
The experimental results show that it is correct and feasible, and can extract characteristic information of the rotating speed spectral map effectively.
盲源分离应用于机械振动信号的预处理中，提供了一个新的处理机制，在机械状态监测和故障诊断中具有一定的价值。
Blind Sources Separation (BSS) provides a new alterative for extraction of certain signal components in the signal corrupted by noise, and presents a new method for mechanical fault diagnosis.
声音振动使静纤毛轻微弯曲，造成机械振动，机械振动变成一种电化学信号，最后大脑将其理解为声音。
Sound vibrations cause the stereocilia to bend slightly, causing mechanical vibrations that are then converted into an electrochemical signal that the brain interprets as sound.
高音调的噪音可以压迫和潜在损伤内耳微毛细胞，噪音转化为机械振动，或声音，或电信号，在大脑再转化为声音。
Loud sounds can stress and potentially damage delicate hair cells in the inner ear that convert mechanical vibrations, or sound, to electrical signals that the brain interprets as sound.
心音信号是心脏在舒张和收缩运动中心肌、血液和瓣膜等机械振动产生的复合音。
Heart sound signal is a compound sound of blood fluxion in heart systolic and diastole phase.
通常检测的机械振动加速度信号，由于信噪比太低，即使存在周期性的冲击分量也往往被淹没在强的背景噪声之中。
However, in respect of a vibration acceleration signal, the signal to noise ratio (SNR) is often so small that the periodic impulse component is submersed in its intense background noises.
对电机的机械振动产生的机理与信号特征进行了阐述，针对电机滚动轴承内外圈磨损引发的振动进行了识别研究。
The mechanism and signal characteristics of mechanical vibration of motor are set forth. The vibration signal of the ball bearing of motor was recognized.
对电机的机械振动产生的机理与信号特征进行了阐述，针对电机滚动轴承内外圈磨损引发的振动进行了识别研究。
The mechanism and signal characteristics of mechanical vibration of motor are set forth. The vibration signal of the ball bearing of motor was recognized.
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