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。
Time frequency analysis method is used to analyze the time domain and frequency domain of seismic waves at the same time according to the principle of wavelet transformation.
时频分析方法是利用小波变换原理，从地震波的时间域和频率域同时对其作出分析。
Methods of analyzing the dynamic performance of automatic control system can include time domain analysis, frequency domain analysis and stability.
自动控制系统的动态性能的分析方法包括时域分析法，频域分析法，及稳定性判据。
Audio analysis is widely used to measure time domain, frequency domain and distortion characteristics of various audio system.
音频分析被广泛用于测量各类音频系统的时域特性、频域特性及失真特性等。
This paper indicates the normal testing methods of time domain frequency stability, and focal points out the testing methods of time domain frequency stability with modulation domain analysis.
介绍了时域频率稳定性常用的测量方法，并重点介绍了利用调制域分析仪实现时域频率稳定性的测量方法。
A method, based on analysis of time domain and frequency domain, applied in dynamic balance of hydro-generator rotor is presented.
提出了一种基于时域分析和频域分析的动平衡方法，应用于水轮发电机转子的动平衡。
Modulation domain analysis has become an important part for modern measurement technology. It is better than time domain and frequency domain measurement when indicating frequency variable signal.
调制域分析已经成为现代测试技术不可或缺的部分，在显现频率变化信号时优于时域测量和频域测量。
Order analysis based on FFT is a transform between time-domain signal and frequency-domain signal and furthermore, it is the most important vibration analysis of rotational machinery.
阶次分析是基于FFT的一种时频转换谱分析，它是变速旋转机械体振动分析的最重要的一种方法。
This article analyzes the plant electrical signal in time domain and frequency domain by using the statistical analysis method.
应用统计分析方法对植物电波信号进行了时域和频域上的分析。
The lung sounds data analysis USES time domain analysis, frequency domain analysis, power spectra analysis, time-varying spectra analysis and so on.
肺音分析采用了时域分析、功率谱分析、时变谱分析、同态处理等多种分析算法。
With the FFT analysis it is analyzed that the pressure surge changing laws in the taper pipe and draft tube in time domain and frequency domain.
通过水压力脉动数据的FFT频谱分析，研究了直锥段和尾水管内部在不同位置不同工况下的压力脉动在时域及频域上的变化规律。
Based on observed signals analysis and comparison in time - domain and frequency -domain, the method of distinguishing interfere signals and abnormal electromagnetic radiation signals is given.
基于对观测信号的时域、频域分析的比较，给出了干扰信号与异常电磁辐射信号的判别方法。
This paper introduces an automatic analysis technology and the software of pulse waveforms in both time-domain and frequency-domain.
本文介绍脉冲波形的时域和频域的自动分析技术及其软件。
On the basis of the above work, the analysis in the time domain and frequency domain is completed.
在此基础上，对船厢子系统进行时域分析和频域分析。
Only wind action of deck is generally taken into account in frequency-domain and time-domain buffeting response analysis for long-span bridge.
大跨度桥梁频域及时域抖振分析中通常仅考虑主梁的脉动风效应。
According to the characteristics of ut signal, this paper puts forward two ways of digital decoding: Time Domain Analysis and Frequency Domain Analysis.
根据UT信号的特征，从时域和频域角度提出了两种数字译码方法。
Comparing with frequency domain dynamic analysis, it's better and more accurate to solve the strong nonlinear problems of SCR in time domain.
相对于频域动力分析，时域分析能更好的处理立管强非线性问题，其计算精度更高。
This paper makes the comprehensive evaluation of the quality of pile foundation through time domain, frequency domain and entropy spectrum, in which spectrum analysis is a new method.
通过时域、频域、熵谱对桩基质量进行综合评价，熵谱是一种新的谱分析方法，并通过实例分析，说明了在评价桩基质量时熵谱的优点。
Use relative signal processing method to pre-processing data, make time domain and frequency domain analysis, calculate the ride index and comfort, obtain relative results and export reports form.
应用信号处理相关处理方法对数据进行预处理，时域、频域分析，进行平稳性指标、舒适度计算，得出相关处理结果，输出报表。
The time domain analysis, frequency domain analysis, and sensitivity analysis of the sensor are finished in the paper.
进行了振动传感器的时域分析、频域分析和灵敏度分析。
The time domain analysis, frequency domain analysis, and sensitivity analysis of the sensor are finished in the paper.
进行了振动传感器的时域分析、频域分析和灵敏度分析。
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