根据系统密度矩阵，讨论了系统熵随时间的演化和系统光子统计性质。
According to the system density matrix, discussed the evolution of the system entropy with time and photon statistical properties of the system.
研究纠缠、相干性及非定域性这些量子特性随时间的演化具有重要意义。
It is important to study how the quantum property such as entanglement, coherence, and nonlocality evolve with time.
在物理学中，物理参量随时间的演化往往是由非线性的偏微分方程支配的。
In physics, the physical parameter evolution along with the time is often controlled by the non-linear partial differential equation.
计算了长程序参量(LRO)和短程序参量(SRO)随时间的演化过程。
The time evolutions of the long range order (LRO) and short range order (SRO) parameters are calculated.
这组算子的统计平均值随时间的演化满足一个封闭的一阶线性微分方程组。
And the evolution of the statistical average values of the set of operators with time satisfy a group of one-order linearly differential equations.
有关算符的统计平均值随时间的演化满足一个封闭的一阶线性微分方程组。
The statistical average values of some relevant operators satisfy a set of differential equations of the first order.
利用直接微扰法，给出了该系统的一级近似波函数及能谱随时间的演化规律。
This model is solved by applying the direct perturbation method. The time evolution of spectrum and the first order approximate wave function for the system are presented.
研究了电磁波、朗缪尔波与离声波在相互作用中的能量密度谱随时间的演化；
Furthermore, the energy density spectrum for electromagnetic wave, Langmuir wave and ion acoustic wave are obtained and used to interpret spectra evolution with time.
首先将非线性薛定谔方程变形为齐次方程的形式，然后用精细积分法模拟其随时间的演化过程。
First of all, a non-linear Schrodinger equation can be converted into homogeneous equations, and then the precise integration method can be used to solve these problems.
研究了一对纠缠的二能级原子与单模相干态光场的相互作用，得出平均光子数随时间的演化规律。
The mean photon number evolution of entangled atoms interacting with coherent state light-filed is given.
研究了介观LC电路在外加电源作用下，系统量子态随时间的演化，分析了实现压缩态的动力学过程。
The evolution of quantum state with time in the time-dependent mesoscopic LC circuit containing source is studied in this paper.
通过计算，研究了单链高分子的均方回转半径、均方末端距以及末端距向量自相关函数随时间的演化过程。
Evolutions of the mean square radius of gyration, the mean square end-to-end distance and the autocorrelation function of the end-to-end vector are simulated.
重点研究了对这样的位形进行绝热压缩加热等离子体问题，给出了在压缩过程中整个平衡位形随时间的演化。
The problem of heating the plasma with such configuration by adiabatic compression is discussed, the variation of all the equilibrium configuration with time during the compression is given.
研究了频率随时间变化的压缩态光场与二能级原子的相互作用，主要讨论了光场频率随时间作正弦调制和脉冲调制两种典型情况下原子布居数反转随时间的演化特性。
The time evolution of atomic occupancy for the system of squeezed vacuum field interacting with two coupling atoms via intensity-dependent coupling in two-photon transition are investigated.
代数动力学方法便是求解该系统的一种有效方法。该方法利用系统的代数结构使系统按照动力学规律随时间演化。
Algebraic dynamical method is an effective method to deal with the dynamical evolution of such systems by making use of its algebraic structure.
在过去数年里，西佩尔构建出强大的统计学模型来追踪DNA如何随时间而演化。
Siepel, who has developed powerful statistical models in recent years to trace how DNA changes over time.
本文提出了一种挖掘新闻话题随时间变化的方法，通过话题抽取、话题过滤和话题关联实现话题的演化。
In this paper, we proposed a method to discover topic's evolution over time by topic detection, topic filtering and relating topics in different time periods.
本文重点研究局域世界演化网络模型上疾病传播随时间演化的动态行为。
In the article we will mainly focus on the dynamical temporal behaviors of epidemic spreading on local-world evolving network model.
本文主要讨论了量子人体的相互作用表象，量子人体态随时间演化的算符和量子人体的微扰论展开；
The interaction idea of quantum human body, the functor of quantum human body state evolving with time and the outspread of tiny disturbing theory of quantum human body were discussed in this paper.
采用非模方法，得到了扰动量的剪切傅里叶谐波分量随时间演化的方程组，并对方程组进行了数值分析。
Using the Nonmodal approach, the temporal evolution equations with Spatial Fourier Harmonics for the disturbed quantities are obtained, and have been studied numerically.
模拟中，系统逐渐达到湍流状态，随着系统的不断演化我们发现如下事实：能谱指数随时间并不是不变的，而是在较宽的范围内变动；
After reaching a turbulent state, the system continues its evolution which exhibits that the energy spectrum index is not a constant instead of a wide range of changes in time.
模拟中，系统逐渐达到湍流状态，随着系统的不断演化我们发现如下事实：能谱指数随时间并不是不变的，而是在较宽的范围内变动；
After reaching a turbulent state, the system continues its evolution which exhibits that the energy spectrum index is not a constant instead of a wide range of changes in time.
应用推荐