1) acoustic signal
振声信号
1.
Analyzes the frequency and power spectra of acoustic signal due to the vibration of coal that is pulverizing in a ball mill.
对磨煤机振声信号进行了频谱和功率谱分析,分析表明:低频分量携带磨煤机的料位信息,而高频分量则是由高速电机旋转噪声、排风机噪声以及磨煤机筒体混响噪声引起的;低频料位信号与高频噪声信号是调制关系。
2) Noise
振声
1.
Research on Electromotor Fault Noise Diagnosis System;
电机故障振声诊断系统的研究
3) vibro acoustic signatures
振声征兆
1.
The wavelet packets technique was introduced into the application research on diesel engines vibro acoustic signatures extraction.
将小波包技术引入柴油机振声征兆提纯的应用研究中 ,分析了小波包分解得到的 Paley列存在的频率混叠现象的原因 ,给出了相应的小波包移频算法 。
4) resonance acoustic spectroscopy
共振声谱
1.
Deriving acoustic velocity of a coaxial cylinder in a cylindrical cavity by means of resonance acoustic spectroscopy;
用共振声谱法求取圆柱扰动体的声速
2.
In this paper,the problem of the acoustic resonant frequency shift of a cylindrical cavity with a coaxial porous sample is discussed on the basis of the resonance acoustic spectroscopy.
基于共振声谱法,研究了同轴孔隙性圆柱扰动体引起圆柱谐振腔共振频率的偏移。
5) Shi Zhensheng
时振声
6) Yang zhensheng
杨振声
参考词条
补充资料:声振寰宇
1.名声威势振动天下。形容声威极盛。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。