1) Phase and group velocities
群速度和相速度
2) Group velocity and Phass velocity
相速和群速
3) frequency-dependent group velocity
频率相关群速度
4) group velocity
群速度
1.
Phase velocity,group velocity,and ray parameters in transversely isotropic media;
TI介质中的相速度和群速度及射线参数
2.
Measurements of group velocity of ultrasonic guided waves and thickness of material based on Hilbert-Huang transform;
基于希尔伯特-黄变换测量超声导波的群速度及材料厚度
3.
The equivalent index of refraction defined through the complex transmission coefficient is calculated and the group velocity of an optical pulse with frequency spectrum around the defect mode frequency is investigated.
计算了由复透射系数定义的等效复折射率并由此研究了频谱位于缺陷模频率附近的光脉冲的群速度。
5) negative group velocity
负群速度
1.
Left-handed materials have many strange properties,such as negative refractive index,negative group velocity,perfect imaging,inverse Doppler effect and abnormal Cerenkov radiation.
本文介绍了左手材料的概念、原理和它具有的负群速度、负折射率、理想成像、逆Doppler频移、反常Cerenkov辐射等种种奇异的物理性质。
2.
They have many strange properties such as negative group velocity, negative refractive index, perfect imaging, inverse Doppler effect and abnormal Cerenkov radiation.
它具有诸如负群速度、负折射率、理想成像、逆Doppler频移、反常Cerenkov辐射等种种奇异的物理性质 。
3.
The paper introducs the history and research of negative refractive materials and simply analysis of negative index of refraction gives rise to the strange properties such as negative group velocity,negative refraction,perfect lens,inverse doppler effect and abnormal Cerenkov radiation.
介绍了负折射率材料的发现及研究历史,简单分析由负折射产生的负群速度、逆多普勒频移、反常切伦柯夫辐射、完美透镜等各种效应,进一步讨论负折射材料的应用展望。
6) group velocity diagram
群速度图
补充资料：群速度
见波。
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