frequency spectrum analysis [物] 频谱分析
frequency spectrum analysis method 频谱分析方法
fourier frequency spectrum analysis 富里叶频谱分析
vibration frequency spectrum analysis 振动频谱分析
amplitude frequency spectrum analysis 幅频分析
ultrasonic frequency spectrum analysis 超声频谱分析
multichannel frequency spectrum analysis 多通道频谱分析
fourier transform frequency spectrum analysis 傅里叶频谱分析
frequency spectrum detail analysis 频谱细化分析方法
Finally, the writer introduces the application of frequency-spectrum analysis into the vibration diagnosis of motors. A good result has been achieved to solve the motor vibration with the comprehensive application of the vibration signals / stator current signal frequency spectrum.
最后作者介绍了应用频谱分析技术进行电动机振动诊断方面的情况，综合运用振动信号和定子电流信号频谱分析方法，解决电机振动问题，取得了良好应用效果。
参考来源 - Y系列三相异步电动机振动分析与抑制·2,447,543篇论文数据，部分数据来源于NoteExpress
Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.
利用相函数的频谱分析求其自功率谱，可以反映它的频率结构。
Then, make monitoring on ordinary trouble, and frequency spectrum analysis on all kinds of lubricants, and analyses mechanism of happened faults to determine fault causes.
然后对常见故障进行监测，主要对各种润滑油脂进行频谱分析，分析故障发生的机理，确定故障的因果关系。
Using Fourier series, the frequency spectrum analysis was analyzed, and spectrum data of harmony wave less than 19 were calculated.
利用傅里叶级数对其进行了频谱分析，计算了次数小于19次的各次谐波电流均方根值的频谱数据。
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