1)  break-point frequency method
					
	
					
				
				
	
					
				特征频率法
			
					2)  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
					
					3)  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。
					
					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