The vibration signal is decomposed into a sum of intrinsic mode functions.

振动信号被分解为一系列固有模态函数.

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Objective : To detect analyze the heart vibration signal.

目的: 实现心音信号提取.

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It also offers qualitative comparison of wavelet base selection for vibration signal character abstracting.

对于振动信号特征提取中的小波基比较和选择文中给出了定性的比较.

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The vibration signal from the reciprocating engine is non - stationary, time - variation , so, application of HHT is a good choice.

从往复机械上得到的振动信号往往具有 非 平稳 、 非线性 特征, 因此采用HHT方法分析是一种较佳的选择.

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The relationship between the winding vibration signal and the square of on - load current is linear.

振动基频幅值同负载电流的平方成线性关系.

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The diagnostic information of reciprocating machinery can be extracted from machine sound and vibration signal.

往复机械诊断信息可以通过其声音信号和振动信号来提取.

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Through the single - group analysis, I filter the vibration signal which is main frequency.

通过单组分析, 分离出了该组主要振动频率的信号.

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The theory of bispectra analysis is reviewed and vibration signal selected bispectra for absorber are plotted.

以双谱分析理论为基础,分析并计算了不同振动信号的选择双谱.

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Atpresent, the system has been running at a power plant for the vibration signal data acquisition.

目前该系统已用于某电厂汽轮发电机组振动信号的数据采集,具有工程实用价值.

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The vibration signal can train the dog to take the orders from the master.

振动信号是用来训练狗执行主人指令的.

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The result shows that the vibration signal of automotive transmission has a fractal feature.

计算表明,变速器振动信号具有分形特征.

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A novel interferometer, which directs to measure and pick up - vibration signal free of distortion, is proposed.

提出了一种新型的远距离微振动信号的测量和保真拾取系统.

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By using demodulated resonance technique to analyze vibration signal , the fault information was picked up successfully.

介绍小波分析和共振解调技术的原理及在机械设备故障诊断中的应用.

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