1) characteristic frequency
特征频率
1.
Reasonable choice of characteristic frequency in eddy current detection for pressure pipeline;
涡流检测压力管道时特征频率的合理选择
2.
Calculation of characteristic frequency for inspection of pressure pipeline by spot probe;
压力管道在采用放置式探头探测时的特征频率选取
3.
The characteristic frequency of the elastic random medium models;
弹性随机介质模型的特征频率
2) Eigenfrequency
['aiɡən,fri:kwənsi]
特征频率
1.
In addition, it explicated how to calculate the eigenfrequency based on a wavelet transform.
广义的小波分析包括多分辨率分析和小波包分析,本文采用小波分解和信号重构的方法,提起了噪声掩盖下滚动轴承振动信号中的故障信息,并计算出 406滚动轴承外圈故障下的故障特征频率,通过对比由公式求取的故障特征频率,从而对滚动轴承的故障进行诊断。
3) character frequency
特征频率
1.
In this paper, kinetics equation of gear wear diagnosis is introduced, and its character frequency is calculated.
首先介绍齿轮磨损诊断的动力学方法 ,计算齿轮特征频率 ,然后在试验的基础上论证齿轮磨损的敏感特征频率 ,并提出诊断中对这个频率分量的处理方
2.
Results show that the method is effective in picking up character frequency of rolling bearing,and the fault diagnosis of roller bearing is successfully carried out.
通过对实测的振动信号进行小波分解,较好地提取出了轴承故障的特征频率,并对故障进行了定位。
4) Frequency feature
频率特征
1.
In this paper, EMD is used to extract frequency feature of a speech signal, which can better reduce its redundancy.
本文采用EMD方法对语音信号进行频率特征提取,可以较好地降低语音信号的冗余度,实验结果表明:EMD方法是处理非平稳信号的有效方法,它运用于语音信号特征提取是可行的。
5) Frequency characteristics
频率特征
1.
The study on frequency characteristics and isolation mechanism of isolated liquid storage tanks
基底隔震储罐频率特征与减震机理分析研究
2.
Based on the second-order nonlinear hydroelasticity theory proposed in a previous paper,the frequency characteristics of the principal coordinates of a moored floating body are analyzed.
采用前文建立的海洋浮体二阶非线性水弹性理论 ,本文分析了一个弹性系泊浮体在波浪中的主坐标响应的频率特征。
3.
Noise for all monitored areas showed low-frequency characteristics.
针对目前我国城市居住区声环境频率特征有所改变的状况,选取杭州市10个社区,对其声环境进行监测。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条