normal mode of vibration
英 [ˈnɔːml məʊd ɒv vaɪˈbreɪʃn]
美 [ˈnɔːrml moʊd əv vaɪˈbreɪʃn]
简正振动型（方式）
双语例句
- The normal mode analysis of a exhaust pipe was carried out using the finite element package MSC/ NASTRAN to reduce the vibration of the exhaust pipe under engine idling speed.
为减小作业车排气系统在发动机怠速情况下的振动，利用MSC/NASTRAN有限元分析软件对其进行模态分析。利用模态分析的方法可以有效地了解排气管的振动情况。 - The energy of every normal mode of vibration is proportional to the square of the spectra!
每一阶简正振动方式的能量与撞击力在该频率的频谱分量的平方成正比； - There are 6 modes in 0-300 Hz scope, corresponding 6 natural frequencies and 6 normal mode of vibration.
在计算频段0&300Hz范围内，得到了六阶振动模态，对应有六个固有频率和六个固有振型。 - It is the first time that we get an exact solution of the function of normal mode of vibration of column-water couple system and a corresponding frequency equation denoted by limited order determinant.
首次给出柱水耦联体系振型函数的精确解和以有限阶行列式表示的频率方程。 - Study of A Special Normal Mode of Vibration
结构振动特殊主振型问题研究 - Firstly, normal mode analysis of some major structural components of suspension had been taken in order to obtain the vibration characteristic.
先对组成悬架系统的各主要结构件进行模态分析，获得其固有振动特性。 - Partial differential equation of beam-NES system motion had established, analytic solution of nonlinear normal mode had obtained, which revealed the principal of vibration suppression via NES.
通过建立悬臂梁-NES系统的偏微分运动方程，获得了非线性模态的解析解，揭示了NES振子吸振的原理。 - Finally, normal mode analysis of raising mechanism is accomplished under different raising state, so the natural frequencies and vibration modes of global preceding 4 steps are obtained. Then, a conclusion that derrick is apt to resonate by external excitation is also discussed.
最后对不同状态下井架起升装置进行了模态分析，获得了整体前4阶固有频率和振型，得出了外界激励极易引起井架发生共振的结论。