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1)  frequency dispersion
频散特性
1.
Characteristics of the frequency dispersion in cylindrical shells filled with fluid considering hydrostatic pressure
考虑流体静压时充液圆柱壳的频散特性分析
2.
It's main idea that making use of frequency dispersion of Rayleigh wave to reveal geology structure of low layer.
其主要思想是利用瑞雷波的频散特性来反映浅层地质问题。
2)  dispersion characteristics
频散特性
1.
The characteristics of guided waves in pipe are described and the influence of inner radius varying on dispersion characteristics of guided waves are also analyzed.
文中简要地介绍了近年来超声导波在管中的研究现状 ,并对导波在管中的传播特性以及管材内径与壁厚之比变化时 ,对导波频散特性的影响进行了分析。
2.
The effect of hydrostatic pressure on natural frequency and dispersion characteristics including the complex wave numbers is investigated, and the comparison are made with the natural frequencies computed by semi analytical method and finite element method.
利用圆柱壳—流场的耦合条件,采用波传播方法得到系统的特征方程,研究了静水压力对系统的固有振动频率以及频散特性(包括复数波)的影响。
3)  dispersion characteristic
频散特性
1.
The coupled equations are solved by Muller method,and therefore the spectral dispersion characteristics are obtain.
对不同静水压力下圆柱壳的频散特性进行研究,初步揭示无限长圆柱壳振动受到水深影响的变化规律。
4)  dispersion [英][dɪ'spɜ:ʃn]  [美][dɪ'spɝʒən]
频散特性
1.
The dispersion,extensional phase velocities,group velocities and amplitude ratio of various waves are obtained.
基于经典的Flugge弹性薄壳理论和Helmholz波动方程,研究了充液圆柱壳的频散特性以及相速度和群速度特性,利用数值方法求得了特征方程的实数、虚数和复数根,并分别揭示了它们的物理含义,分析了内流场对于壳体动态特性的影响,给出了壳体中功率流和流体载荷的变化情况,从能量角度研究了充液圆柱壳的动态特性。
2.
With recursive matrix method,the dispersion equation of Lamb wave in layered plates is derived in this paper,along with the expressions for displacement and stress distributions.
利用矩阵递推方法,建立了层状板中Lamb波的特征方程以及相应的位移和应力分布计算公式,由此分析了双层板、软夹层板和硬夹层板中Lamb波的频散特性,特别指出软夹层的存在对Lamb波的频散特性有显著影响。
3.
To set the coefficient determinant for zero to solve the characteristic equation of one-layered plate, and to calculate the dispersion equation of any layered plates with recursive matrix method.
层状板当上下表面为自由边界面时板中将会产生板波,文中通过求解行列式和采用传递矩阵法分别得到了单层板和任意层板的特征方程,研究了单层板和双层板中板波的频散特性和板中位移和应力的分布,讨论了板波的动力响应,对测点的布置有一定的指导意义。
5)  dispersive characteristics
频散特性
1.
The influence of innerradiusthickness ratio on the dispersive characteristics of guided waves for lower in free pipes has been analyzed.
在自由管材的情况下,对于内径 壁厚比变化对管材中较低阶纵向导波模式频散特性的影响进行了分析。
6)  frequency dispersicn control
频散特性控制
补充资料:幅频特性
分子式:
CAS号:

性质: 在复平面上以频率特性G(jω)幅值为纵坐标,频率为横坐标的图称为幅频特性。又称尼柯尔斯图。

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