波包

最后，讨论了波包的坍缩动力学问题，把非线性Schrodinger方程的坍缩讨论推广到密度和场耦合的方程组的情况。

Finally , we discussed the collapse dynamics of wave packet and extended the collapse argument on nonlinear Schrodinger equation to the case of the density and field coupling equation system .

波包的空时演化与能级免交叉

Spatial-Temporal Evolution of the Wave Packet and Avoided Level Crossing

利用飞秒含时光电子能谱研究Li2分子的波包动力学过程

A Study of the Wave Packet Dynamics of Li_2 Molecule with Femtosecond-Resolved Photoelectron Spectrum

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。

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 .

Xe-H2非弹性散射密耦合波包法研究

Study of close coupling wave packet for x_0-h_2 system of inelastic scattering

纳米粒子自组装体系I-V特性的波包演化模拟

The wave packet evolution simulation of the I-V property of nanoparticle self assembly systems

首先我们研究了BEC波包穿越矩形激光束。

Firstly , we consider that a BEC wave packet traverses a barrier .

中层耗散大气中Rossby波包的非线性相互作用理论

The theory on nonlinear interaction of Rossby wave packets in the middle atmosphere

全球扰动的结构、演变及其球面Rossby波包表示

Evolution of the Structure of the Global Disturbance and Its Expression in Spherical Rossby Wave Envelope

急流与定常强迫Rossby波包和大气中的遥相关

Jet stream and the stationary forcing Rossby wave packet in relation to the teleconnections in the atmosphere

利用含时波包方法对Br2分子的泵浦-探测实验进行了模拟，理论计算结果不但与实验符合较好，而且讨论了激光强度，偏振方向等因素对Br2~+光电子光谱中各个离子态的影响。

The photoelectron spectra of N_2 have been calculated by the time-dependent-wave-packet method , and our results accord well with the experiment obtained .

随后我们研究了BEC波包穿越任意形状光束的隧穿时间。

After that , the case for the BEC wave packet traverses a barrier with arbitrary shape is studied .

运用含时波包法（time-dependentwavepacketmethod），对CH4和CD4在光滑静止的Ni（100）表面的解离吸附进行了量子动力学研究与计算。

A time dependent wave packet method was used to study the dynamics of dissociative adsorption of CH 4 and CD 4 on a flat and static surface .

因此采用数值求解非线性薛定谔方程的办法来模拟BEC波包的隧穿过程。

Therefore , we simulate the tunneling process of the BEC wave packet via solving the nonlinear Schrodinger equation numerically .

本论文利用量子力学含时波包传播中的分裂算符-傅立叶变换方法研究SH基的（2+1）多光子电离的光电子能谱。

In this paper SH radical ( 2 + 1 ) multiphoton ionization photoelectron energy spectroscopy were studied by the split-operator technique of time-dependent wave-packet method in quantum mechanics .

仿真结果表明该系统要优于通常的MC-CDMA系统和基于实小波包变换的MC-CDMA系统，具有良好的抗衰落能力。

Simulation results show that the proposed system outperforms the conventional MC-CDMA and real wavelet packet based MC-CDMA , with superior capability against the fading .

应用西南风急流中Rossby波包演变和波道分叉的这种特性，可以解释Wallace等提出的PNA型和EU型两种遥相关，从而为这两种类型的遥相关提供了一种物理机制。

By means of the feature of the wave passage bifurcation of the Rossby wave packet in the SW jet , the EU type teleconnections suggested by Wallace et al . are investigated .

结果表明：碰撞粘滞对波包的阻尼作用不容忽视，而非线性朗道（Landau）阻尼对波包的阻尼作用较弱。

The results show the effect of collision damping can not be neglected , whereas the nonlinear Landau damping is a weak effect compared with the collision one .

在此基础上对Longuet-Higgins的群性波包理论进行修正。

Based on these the wave envelope theory of wave groups due to Longuet Higgins is modified .

非线性相互作用一是可以增大BEC波包的中心速度；二是可以改变有效势垒的高度和形状，进而影响BEC波包穿越光场所需的隧穿时间。

The nonlinear interaction not only increases the center velocity of the BEC wave packet , but also modifies the height and shape of the barrier , which would impact on the tunneling time .

本文采用波包近似和WKB方法，研究了非对称地形、非对称纬向流和大尺度扰动的相互作用。

In this paper , the wave-packet approximation and the WKB method are applied to study the interaction among asymmetric topography , asymmetric longitudinal flow and large - scale disturbane .

而考虑动理学效应时，初始扰动波包会模转换为短波长的动理学GAM（KGAM）而在径向向外传播。

When kinetic ef-fects are considered , the initial pulse can be mode-converted to short wavelength kinetic GAM ( KGAM ), and propagate radially outward .

用含时波包（TDWP）理论计算了具有两个不同产物道的反应HD＋H→H＋DH，D＋H2的初态确定的反应几率及生咸物的分支比。

For the reaction with two different product channnels HD + H → H + DH , D + H2 , time-dependent wavepacket ( TDWP ) method is used in the calculation of the reactive probability and branching ratio with specific initial state .

基于LEPS势能面，用三维含时量子波包法对O（3~P）+HBr（DBr）反应进行了准确的动力学计算。

An exact three-dimensional time-dependent quantum wave packet was employed to calculate the O ( 3P ) + HBr ( DBr ) reaction using a generalized London-Ering-Polanyi-Sato ( LEPS ) potential energy surface .

采用含时黄金规则波包传播法，对低振动激发（ν＜12）vanderwaals分子HeI2（总角动量J＝0）的振动预离解计算了总和部分衰变宽度。

We have presented a calculation for the total and partial decay widths for vibrational predissociation for a low vibrational excited van der Waals molecule HeI_2 . The time-dependent golden rule wave packet method has been used in our numerical calculation for the decay widths .

由于系统在光晶格关闭之前预先经历了Mott相变和自旋相关输运，其原子波包的密度分布在磁阱中的演化与通常情形相比，展现出更丰富的动力学行为。

Since the system experiences a Mott insulator transition and a spin-dependent transport before the optical lattice is switched off , the evolution of the atomic wave packets in the harmonic potential is much more complicated than that of the common cases .

波包非线性传播的路径、能量传输速度不同于WKB近似下的结果，非线性效应导致了重力波的传播特性的改变；

There is difference between the simulation calculations and the results given by WKB approximation on energy trace and group velocity . This indicates that the nonlinearity affects the characteristics of gravity waves . The inhomogeneous temperature lowers group velocity and changes the path of energy propagation .

本文利用波包概念和WKB方法，给出在一定地形和基流背景条件下Roosby波包的整体特性，并得到波包的发展方程和条件。

With the concept of wave packet and using WKB method , the all-round characteristics of the Rossby wave packet under the background of the basic current and the topography are obtained , and the equation and condition for the development of the wave pocket are got as well .

量子含时波包方法研究基元反应的非绝热动力学过程

Nonadiabatic Studies of the Elementary Chemical Reactions by Time-dependent Wave Packet

减小子波包调制波形功率比值的方法

A new method of reducing PAPR of wavelet packet modulation signals