1) system free vibration frequency
系统自振频率
2) frequency of vibration systems
振动系统频率
1.
Using band-pass filtering characteristic of Morlet wavelet in frequency area,a method for identifying frequency of vibration systems directly on scalograms by changing frequency bandwidth of Morlet wavelet is studied.
利用Morlet小波在频域的带通滤波特性,对通过改变Morlet小波的带宽,直接在尺度图上识别振动系统频率的方法进行了分析研究。
4) natural frequency
自振频率
1.
Calculating method of natural frequency of pile in layered soils;
层状地基中单桩自振频率的计算方法
2.
Simplified calculating method for natural frequency of aqueduct structures with framed bent support;
排架支承式渡槽自振频率的简化计算方法
3.
Calculation of the natural frequency of main frame in radial gate;
弧门主框架自振频率计算
5) self-vibration frequency
自振频率
1.
The article briefly introduces the static and dynamic test of a 4-span continuous box girder, analyzes the static and dynamic characteristics of the main girder stress, deflection, impact coefficient, self-vibration frequency and etc.
简要介绍了某4跨连续箱梁的静动力试验,并对主梁应力、挠度、冲击系数、自振频率等静动力特性进行了分析,可供同类桥梁的设计借鉴。
2.
The wind speed which can cause the bar resonant vibration has a strong relation with the self-vibration frequency of the bar.
其共振风速和杆件自身的自振频率有很大关系。
3.
This paper analyzes a test on self-vibration frequency of the Baisha Yangzi River Bridge with faster static relative GPS posioning technique.
以GPS快速静态相对定位技术对武汉白沙洲长江大桥进行自振频率测试,采用GPS动态监测的方法,通过对悬索桥关键点的点位测量和三维位移进行动态实时监测以及对测量数据的分析,得出点位时程图,经频谱分析得出长江三桥的自振特征要素。
6) natural vibration frequency
自振频率
1.
Research on influencing of crack to natural vibration frequency of brief-beam;
开裂对简支梁自振频率影响研究
2.
Analysis of natural vibration frequency of concrete beams externally prestressed with AFRP tendons;
AFRP筋体外预应力混凝土梁的自振频率分析
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