中文翻译与英英解释

【物理学】波群速度。

group:    n. 1.群；批，簇。 2.集团，团体，小组。 3.【化 ...

velocity:    n. 1.迅速；快速。 2.速度，速率。 3.周转率。 ...

例句与用法

The group velocity is the speed at which modulated signals would be transmitted .
群速度就是将调制信号发送出去的速度。

Negative group velocity in the band gap range
禁带区域内负的群速度

Analytic expression calculating group velocity for anisotropic elastic media
各向异性固体弹性介质中群速度的解析表达式

Electromagnetically induced transparency and slow group velocity in pr3 y2sio5 crystal
晶体中电磁感应光透明及群速度减慢

With any signal you can talk about two speeds called the phase velocity and the group velocity
对于任何信号都有两个速度即相速度和群速度。

Group velocity ( simulation output image created using matlab ? software . ) ( provided by prof . chiang c . mei
波群速度（使用matlab ?软体产生的模拟输出影像） 。

Based on the wavevector diagram and group velocity , the property of light in photonic crystals can be analyzed quantitatively
基于波向量图和群速度，可以很好地分析光在光子晶体中的行为。

( 4 ) the correlation property between the distribution of attenuation factor and that of the group velocity is indicated , in this study
( 4 )研究结果显示，在频率域内，面波衰减系数分布与群速度分布具有一定的相关性。

The group velocity ( u ) corresponds to the net result from the addition of all elements with different periods and different velocities within the wave motion
而群速度（ u ）符合于波动的不同周期，不同速度的各种因素叠加的净结果。

The wavelet transforms were applied to identify the group velocity of flexural waves which were measured and recorded by the strain gauges and a computer
布建于铝合金板表面的应变规，是用以侦测经激震器冲击平板后所产生的应变波讯号。