frequency domain analysis 频域分析
fft frequency domain analysis fft频域分析
time-frequency domain analysis 时
time frequency domain analysis 时频分析
frequency-domain analysis method 频域分析方法
frequency domain analysis method 频域分析法
signal frequency-domain analysis 信号频域分析
complex frequency domain analysis 复频域分析
The analyses of vibration signal can be mainly divided into time-domain analysis, frequency-domain analysis and bearing grade judgment.
振动信号的分析主要分为时域分析、频域分析和优劣等级判断三个环节。
参考来源 - 基于LabVIEW的虚拟仪器及其在轴承测振仪中的应用As a simply and effectively practical method, the traditional frequency-domain analysis method has been widely adopted in buffeting analysis.
频域分析作为一种传统方法,因其简单、实用、有效等特点,在桥梁结构抖振分析中一直被广泛使用。
参考来源 - 大跨刚构—连续组合梁桥抖振时域分析·2,447,543篇论文数据，部分数据来源于NoteExpress
It is found that the frequency-domain analysis is simple, direct and easy to reveal the essence of the problems.
本文的分析和讨论说明：频域分析法既简单又直观，更容易揭示问题的实质。
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。
The main analytical method of unsteady flow in pipelines includes frequency domain analysis and time domain analysis.
管道中非稳定流动的分析方法主要有频域法和时域法。
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