A discrete analysis. Method for random vibration of structures under the excitations correlated in time domain is discussed in this paper.
本文讨论动力系统在相关多激发作用下的随机振动离散分析方法。
Based on data analysis in both time and frequency domain, characteristics of blade vibration response at rotating stall and surge condition are introduced.
在对时域和频域数据分析的基础上，论述了旋转失速和喘振状态下叶片振动响应的特征。
It is difficult to detect the periodic impulse component in the vibration acceleration signal with conventional analysis methods such as time domain wave and frequency spectrum.
通过时域波形和频谱等基本分析手段来探测振动加速度信号中的周期性冲击分量往往是困难的。
Modal parameters and vibration type were obtained by the method of least squares time domain, complex modal analysis and the experimental data.
并利用时域最小二乘法和复模圆法对实验数据进行了三维的模态参数和振型分析。
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。
In addition, this paper also calculates the displacement wind vibration of two systems, and compares the result of the equivalent static force method and the time domain analysis method.
同时，计算出了两种体系的位移风振系数，比较分析了等效静力法和时程分析法的计算结果。
To determine the fault position, the system based on the time domain vibration information of starter utilizes the method of spectrum and cepstrum analysis to process vibration information.
系统以起动机时域振动信息为基础，运用频谱分析和倒谱分析方法处理振动信息，以确定故障部位。
The traditional time and frequency domain methods of vibration signals of gear box fault are introduced in this paper. And meanwhile this paper lists different applied fault analysis means.
介绍了齿轮箱故障振动信号传统的时域、频域分析方法，并列举了一些不同故障所应用的分析方法。
Pretreatment and Time-domain analysis were studied to the vibration signal of aero-engine in this paper.
本文研究了发动机振动信号的预处理和对信号的时域、幅域分析。
The crest factor of vibration in automobiles is about 4~8 by time-domain analysis.
利用时域法分析得振动的峰值因子在4～8之间；
The crest factor of vibration in automobiles is about 4~8 by time-domain analysis.
利用时域法分析得振动的峰值因子在4～8之间；
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