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- This phenomenon is called velocity dispersion. 这种现象称为速度频散。
- 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；
- Then it discusses its three prominent merits: the property of single mode,high nonlinearity and controllable group velocity dispersion. 然后讨论了其三个突出的优点:单模传输特性、高非线性效应和可控群速度色散特性。
- Moreover, the influence of the group velocity mismatch (GVM) and group velocity dispersion (GVD) on the filter for broad-bandwidth femtosecond pulse is analyzed. 同时还分析了群速失配以及色散对宽带飞秒脉冲双折射干涉滤波的影响。
- The group velocity matching and group velocity dispersion have been investigated for noncollinear optical parametric amplification with periodically poled KTiOPO4 (KTP). 研究了周期性极化晶体非共线参量放大的群速匹配和群速色散。
- It is found that the on-axis spectrum blueshift of ultrashort pulsed Hermite-Gaussian beams is relative to group velocity and pulse duration, but not to group velocity dispersion. 结果表明,超短脉冲厄米-高斯光束的轴上光谱蓝移,蓝移大小与群速度及脉冲宽度有关,而与群速度色散无关。
- The results showed that the effect of group velocity dispersion(GVD) on the pulse with large chip was slight and the effect of spectral width on the self-focusing properties could be ignored. 研究结果表明，群速度色散(GVD)对大啁啾脉冲的影响很小，谱宽对自聚集的影响可以忽略。
- The solution of propagation equation of femtosecond laser pulsewith duration of several optical oscillation periods is presented without consideration of group velocity dispersion. 给出了具有几个光振荡周期长的飞秒激光脉冲在不考虑群速色散的情况下传输方程的解。
- Finally, according to the dispersion compensation theory, we use single mode fiber with negative group velocity dispersion (GVD) to compress the mode-locked EDFL output with positively chirped pulse. 最后，根据色散补偿的原理，将正啾频量的输出脉冲利用单模光纤引入的负啾频量去达到脉冲压缩的效果。
- After this, the DWT pairwise velocity dispersion can be measured and the real space DWT power spectrum can be recovered. 从数值模拟样本的检验结果可知，DWT功率谱可以给出有效的红移畸变参数的估计，而不需要假设宇宙学模型；
- The phase velocity dispersion and the numerical phase velocity errors ofelastic wave staggered-grid high-order difference method in anisotropic medium havebeen studied. 研究了各向异性介质中弹性波动方程交错网格高阶差分法求解的数值相速度色散和数值相速度误差。
- Negative Group Velocity Dispersion Mirror 负群速差色散镜
- Group velocity dispersion (GVD); 群速度色散(GVD);
- The propagation characteristic of ultrashort pulsed Bessel light beam in dispersive medium is studied. The spatially induced group velocity dispersion (SIGVD) can be used to compensate the dispersion of medium. 研究了超短脉冲贝塞尔光束在色散介质中的传输特性 ,指出空间诱导色散效应可以用来补偿介质色散作用 ,从而可以在色散介质中实现无衍射无色散的类时空孤子波的传输。
- From mixed path Ray-leigh wave group velocities of fundamantal model. Numerical inversion from the pure path group velocity dispersion is made to study the layered structures of the crust and upper mantle in the two blocks. 利用最小二乘法;从混合路径基阶瑞利面波群速度频散提取两块体的纯路径频散;并反演其地壳、上地幔的层状结构.
- This phenomenon is called velocity dispersion 这种现象称为速度频散。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- He broke away from that lawless group years ago. 他在几年前脱离了那个非法团体。
- The group of barbaric soldiers killed many people. 那群野蛮的士兵杀了很多人。
- The group was made up of doctors. 这个团体是由医生组成的。
