wave packet
[物] 波包;波群
2025-09-09 19:21 浏览次数 11
[物] 波包;波群
1. a pulse of radiant energy that is the resultant of a number of wave trains of differing wavelengths
as the optical precursor and main wave packet traveled through a second group of rubidium atoms, the scientists took measurements on the speed of the two photon components.
随着光前驱和主波包通过第二组铷原子,科学家就可以对这两个光子成分的速度进行测量。
furthermore, when the number of eigenstates n equals to the square root of quantum number n , the equally weighted wave packet minimizes the uncertainty relation.
而且,当等权波包中叠加的本征态的数目n等于量子数n的平方根时,等权波包的不确定性最小。
the main wave packet of a single photon travels no faster than c in any medium, and can be delayed up to 500 ns in a slow light medium where the group velocity is slower than c.
单个光子的波包的传递速度在介质中不比光速快,而且可以在慢光介质中延迟到500纳秒。慢光介质中的群速度比光速慢。
by using the wkb method and slowly-varying wave packet theory the main cause for the size change in tropical cyclone is analyzed.
应用小参数方法和缓变波包理论分析了热带气旋尺度变化的主要原因。
by analyzing intuitional images presented in this work, the dynamical process of wave packet is investigated.
通过分析文中的直观图像,研究了波包的动力学过程。
time-depended quantum wave packet method has became a major method of studying molecular reaction dynamics.
量子含时波包方法现在已经成为研究分子反应动力学的一个主要的理论方法。
「one of the ways that we encode digital information is by its phase, 」 huntington said, 「so what we「ve done is created a wave packet that」s simultaneously a one and a zero in its phase.」
「一种解密数码信息的方法是通过位相」,亨廷顿说,「于是我们生成了一个波包,它的位相同时处于0和1状态。」
in the fast light or superluminal (with a group velocity faster than c or negative group velocity) case, the main wave packet seems to get ‘confused’ and does not follow the group velocity.
在快光或超光速(群速度大于c或负的群速度)的实验中,主波包似乎变得‘杂乱’起来,并且不等于群速度。
the propagation of wave packet produced from a point source in two and three dimensional incompressible boundary layer is investigated numerically on the basis of linear stability theory.
根据线性稳定性理论研究点源产生的波包在二维和三维不可压边界层中的传播特征。
the autocorrelation function of electronic wave packet of hydrogen atom in a strong electric field below the zero-field ionization threshold is investigated in the formalism of semiclassical theory.
运用半经典理论研究在强电场中电离阈值下的氢原子电子波包的自关联函数。
the detection of a highly vibrationally pump-dumped iodine wave packet dynamics in the ground x state is numerically demonstrated by using a model i2 molecule with two morse potential surfaces.
在数值计算中,采用i2的一个二势能面系统,得到了监测基电子态高振动激发波包的吸收光谱。
this method is simple in programming, convenient in operation and practical. by using it, the workload in analysis and calculation of wave packet movement can be reduced greatly.
该方法具有编程简单、使用方便和实用性强 等特点,可使波包运动分析计算的工作量大为减少。
by using the close coupling wave packet method, we complete the detail calculation of nonreactive atom-rigid diatom scattering probabilities.
本文利用密耦合波包法对气相原子刚性双原子分子无反应散射做了具体计算。
we are sure that the main wave packet cannot travel faster than the precursor, which travels at c.
我们确定,主波包传播的速度不能超越以光速c传播的前驱。
we study the nonclassical electronic wave packet in quantized electromagnetic field.
文中研究了量子化电磁场中非经典电子波包的运动。
then the graph of the changes of group and energy velocity with the length of cutoff region and the main frequency of the wave packet is received.
计算了波包穿越势垒的群速和能量速度,得到群速和能速与截止区长度的关系图,以及群速与激励源的工作频率的关系图。