频谱分析 [物] frequency spectrum analysis ; analysis of frequency spectrum ; analysis on frequency spectrum
[物]频谱分析 frequency spectrum analysis
频谱分析方法 frequency spectrum analysis method
超声频谱分析 ultrasonic frequency spectrum analysis
振动频谱分析 vibration frequency spectrum analysis
富里叶频谱分析 fourier frequency spectrum analysis
多通道频谱分析 multichannel frequency spectrum analysis
傅里叶频谱分析 fourier transform frequency spectrum analysis
在线测量频谱分析 on-line measurement and frequency spectrum analysis
频谱成像分析 frequency spectrum imaging analysis
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。
This paper presents calculation of frequency and phase difference of flow signals with spectrum analysis on basics of Fourier transform (DFT).
本文采用基于傅立叶变换(DFT)的频谱分析方法，计算流量信号的频率和相位差。
The influence of some factors on pressure oscillation is studied by frequency spectrum analysis.
采用频谱分析方法，分析诸因素对压力振动特性的影响。
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