| 1. | 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。 |
| 2. | 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。 |
| 3. | Negative group velocity in the band gap range
禁带区域内负的群速度 |
| 4. | 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 |
| 5. | 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 |
| 6. | Anomalous group - velocity
异常群速度 |
| 7. | 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。 |
| 8. | 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） 。 |
| 9. | To analyze this behavior in detail , the group veloc ity for the light in photonic crystals is calculated
为了定性地分析光的行为，我们对光子晶体中光的群速度进行了计算，得到很好的结果。 |
| 10. | 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。 |
