1) 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。
2) system free vibration frequency
系统自振频率
4) vibrational frequency
振动频率
1.
The vibrational frequency is an important parameter of molecular structure.
振动频率是分子结构中的一个重要参数,它的大小反映出化学键的强弱和分子的稳定性。
2.
In this paper, an equation is obtained through researching the reqularity of the vibrational frequency of the Chemical bond A-H by using the average nuclear potential of the valence electrons and the average energy of valence orbitals.
本文用价层轨道平均能和价电子的平均核势来研究 A- H键振动频率的规律性 ,得出了一个关系式 ,用此公式计算振动频率的值与实验值非常接
3.
The vibrational frequency,the effectiv e Hamiltonian and the induced potential of a strong coupling surface magnetopola rons in a polar crytal were derived by using the linear combination operator met hod.
本文采用线性组合算符法导出了极性晶体中强耦合表面磁极化子的振动频率、有效哈密顿量和诱生势。
5) vibration frequency
振动频率
1.
Matching relation between casting billet speed and vibration frequency during billet CC;
方坯连铸拉坯速度与振动频率的匹配关系
2.
Effect of vibration frequency on relevant behavior of satulated soft clay;
振动频率对饱和软粘土相关性能的影响
3.
Experimental study on influence of vibration frequency to dynamic modulus and damping ratio characteristics of saturate sandy pebble soil;
振动频率对饱和砂卵石土动模量和动阻尼比影响的试验研究
6) vibratory frequency
振动频率
1.
On the basis of analyzing vibratory frequency control system of vibratory roller,the plan of vibratory frequency constant control by PID is put forward;a special controller is selected.
在分析振动压路机振动频率控制系统的基础上,提出了采用比例、积分、微分(PID)控制实现振动频率恒定的方案;选择了适用于工程机械的专用控制器。
2.
Higher vibratory frequency may decrease a little the value of the modulus.
振动频率对回弹动弹模有一定影响,高振频使测定值有所下降。
3.
On the basis of analyzing vibratory frequency control system of vibratory roller, the controller are designed and the plan of vibratory frequency constant control by PID are put forward.
在分析振动压路机振动频率控制系统的基础上,对控制器进行了设计,提出了采用PID控制实现振动频率恒定的方案。
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