group velocity
英 [ɡruːp vəˈlɒsəti]
美 [ɡruːp vəˈlɑːsəti]
网络 群速; 群速度; 波群速; 组速度; 相速度
双语例句
- By using the concept of spatially induced group velocity dispersion, the propagation of Bessel-like pulsed beam which is constant beam waist in free space is studied.
利用空间诱导色散概念，从理论上研究了等束腰宽度的类贝塞尔脉冲光束在自由空间中传输性质。 - On the basis, the relation between the enhancement of stimulated emission as well as transmissivity being greater than one and the abnormal group velocity in photonic band gaps as well as n.
由此说明光子晶体光纤的缺陷介质中掺入激活杂质时，光子禁带中能出现品质因子非常高的杂质态，具有很大的态密度，较强的受激辐射放大。 - A group velocity of seismic love surface wave and lithosphere structure in Antarctic Peninsula
南极半岛地区地震勒夫波群速度与岩石圈结构 - The Simulation Analysis of Slow Light and Group Velocity Dispersion in Photonic Crystal Waveguides
光子晶体波导中的群速减慢及群速色散 - Numerical investigation of IGVC ( Improved Group Velocity Control) scheme for the hyperbolic conservation laws including source terms is discussed in this paper.
研究带源项双曲守恒律方程的IGVC（改进的群速度控制）格式。 - Influences of Group Velocity Mismatch and High-order Dispersion on Soliton Self-trapping in PCF
PCF中群速度失配和高阶色散对孤子自俘获的影响 - Near realtime monitoring the change of group velocity of short-period surface wave via seismic noise analysis
利用地震噪声准实时监测短周期面波波速变化 - The reflection spectrum, time delay, and group velocity dispersion ( GVD) of the gratings are analyzed.
并对此种光栅的反射谱，时延及群速度色散进行了理论分析； - This paper reveals that the group velocity of a weak laser probe field can be manipulated by controlling the intensity of the driving field applied to a near-degenerate closed three-level V system.
在近简并的封闭三能级V系统中，一束弱激光探测场的群速度可以通过控制一单色驱动场的强度实现慢光速到超光速的转换。 - In this paper, the heat transport characteristics such as the phonon spectrum, the group velocity and the thermal conductivity of the semiconductor superlattice thermoelectric materials were studied.
本文研究了半导体超晶格热电材料的声子谱、群速度和热导率等热输运问题，重点通过对声学声子群速度特性的研究来理解超晶格材料的导热性质。 - The result indicates that the hybrid mode can be given within work frequencies, in which the main mode is TE21.The value of group velocity of hybrid mode is a constant number.
计算结果表明：在工作频段内螺旋波纹波导中场结构是一种混合模，以TE21模为主，其群速基本接近常数。 - The article gives a comment and analysis on the development of the experiment of subluminal group velocity and superluminal group velocity pulse.
对慢光速、超光速光脉冲实验进展进行了评述与分析。 - Evolution of Ultra-short Pulsed Elegant-Hermite-Gaussian Beams in Group Velocity Dispersive Media
群速度色散介质中超短脉冲优美厄米高斯光束的演化 - Rayleigh Wave Group Velocity and Anisotropy Tomography in the Eurasia and Its Marginal Seas
欧亚大陆及其边缘海地区瑞利波群速度结构及方位各向异性层析成像 - 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。 - 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。 - Based on an erbium-doped dispersion-managed fiber laser, the characteristics of noise-like pulses under different net cavity group velocity dispersions ( GVDs) are experimentally investigated.
基于色散管理掺铒光纤激光器，研究了类噪声脉冲在不同群速度色散情况下的特性。 - The effects of group velocity dispersion, polarization mode dispersion and nonlinearity in fiber on the performance of wavelength division multiplexing system are analyzed in detail.
论述了光纤群速度色散、偏振模色散及光纤中各种非线性效应对光波分复用系统性能的影响，并给出了为减小其影响而应采取的措施。 - In recent years, researches about the controllable group velocity of light propagation had made many progresses.
最近几年中，慢光和超光速的研究取得了很多进展。 - After finding the orthogonal sets corresponding to the guided-wave restriction condition, the analytic dispersive equation, group velocity equation and steady response are obtained simultaneously.
提出自结合方法，导出波传播的限定条件，在找到相应的正交序列后，完全得到弹性波导系统中解析形式的频散方程、群速度方程和稳态响应。 - The effects of group velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。 - Electromagnetically Induced Grating and Control of Group Velocity of Light Pulses Based on Atomic Coherence Effects
基于原子相干效应的电磁诱导光吸收光栅及光脉冲群速度调控 - The result shows that the edged sampling mirror and the edged vacuum window can be treated as a pair of prisms, which generates negative group velocity dispersion.
分析结果表明，带楔角的取样反射镜与后续光路中使用楔形真空窗口构成了一对棱镜，产生负的群速度色散。 - The Phonon Spectrum and Group Velocity of Si/ Ge Superlattices under Hydrostatic Pressure
压力下Si/Ge超晶格热电材料的声子谱和群速度 - Then the possibility of larger phase velocity and group velocity than light speed in dispersive medium is discussed.
然后从色散介质中相速度与群速度的关系，讨论了相速度和群速度超光速的可能性。 - For dispersive lens the influence of the lens chromatic aberration and group velocity dispersion is studied.
对于色散透镜，研究了透镜色差和群速度色散影响。 - Then, we describe slow light with group velocity, dispersion, and pulse distortion.
其次，对慢光的群速、色散、脉冲失真等指标做了说明。 - Phase velocity and group velocity are two of the important parameter for studying seismic wave propagation rule.
相速度和群速度是研究地震波传播规律的两个重要参数。