Method for analysing regularly recurring mechanical vibrations
Method for analysing regularly recurring mechanical vibrations
复制标题
分析定期重复出现的机械振动的方法
DOI：
10.1121/1.424173
复制
发表时间：
1998
影响因子：
2.4
通讯作者：
G. C. Nijen
中科院分区：
文献类型：
--
作者：
H. Mol;G. C. Nijen
一种用于分析有规律地重复出现的机械振动的方法，包括以下步骤：绘制与振动相关的振幅/时间谱；将振幅/时间谱划分为比两个连续激励之间的最短时间间隔更短的时间间隔；对由每个时间间隔限定的振幅/时间谱的那些部分进行傅里叶变换，以获得与每个时间间隔相关的振幅/振动频率间隔谱；以及对与某些振动频率相关的每个振幅/振动频率间隔谱中的那些振幅进行傅里叶变换。为了获得与相应振动频率相关的激励频谱。
A method for analysing regularly recurring mechanical vibrations comprises the steps of plotting an amplitude/time spectrum associated with the vibrations, dividing the amplitude/time spectrum into time intervals shorter than the shortest time lapse between two consecutive excitations, subjecting those parts of the amplitude/time spectrum defined by each time interval to a Fourier transformation in order to obtain an amplitude/vibration-frequency interval spectrum associated with each time interval, and subjecting those amplitudes in each amplitude/vibration frequency interval spectrum associated with certain vibration frequencies to a Fourier transformation in order to obtain an excitation-frequency spectrum associated with the respective vibration frequency.