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langevin
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  朗之万
     Structures of Small Sulfur Clusters S_n(n=2~8) from Langevin Molecular Dynamics Methods
     硫团簇S_n(n=2~8)结构的朗之万分子动力学计算(英文)
短句来源
     ^Langevin Theory of ∧-and ∨-Type Single-Mode Lasers
     ∧和∨型单模激光的朗之万理论
短句来源
     discuss the one dimension nonlinear system and multidimensional nonlinear system's noise, Langevin equations and Fokker-Planck equations, and the steady solution of FPE that satisfied the "potential condition" in multidimensional nonlinear system are obtained.
     作为研究背景,我们首先介绍了一般非线性系统的随机理论,讨论了一维非线性系统和高维非线性系统的噪声、朗之万方程和福克-普朗克方程,并得到了高维非线性系统中满足“势条件”的福克-普朗克方程的定态解形式。
短句来源
     Langevin Theory of aΛ-Type Two-Mode Laser
     Λ型双模激光的朗之万理论
短句来源
     LANGEVIN THEORY OF A TWO-PHOTON TWO-MODE LASER
     双光子双模激光的朗之万理论
短句来源
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  郎之万
     Steady-state Analysis of a Single-mode Laser Model Driven by Cross Correlated Noises:the Modified Langevin Equation Case
     交叉关联噪声驱动的单模激光模型稳态分析:修正的郎之万方程情形(英文)
短句来源
     Applying approximative FokkerPlanck equation(AFPE) to the modified Langevin equation(MLE) driven by quantum and pump colored noise,the mean ,variance λ2(0),and skewness λ3(0) of the steadystate laser intensity were calculated and the effects of pump noise "color" on the three moments were analyzed.
     从交叉关联噪声驱动的修正郎之万方程(MLE)出发,利用近似福克 普郎克方程(AFPE),计算了稳态激光光强的平均值、斜方差λ2(0)和偏斜率λ3(0),并分析了泵噪声的"颜色"对它们的影响。
短句来源
     There existed theoretical errors in Watt meter method for measuring output acoustic power of Langevin type transducer. The experimental results about clamped transducer system were given. It pointed out that the method is effective to intensity ultrasonic processing in liquid media.
     本文给出郎之万Langevin型换能器及变幅杆振动节点、腹点处振幅比随负载的变化情况,分析了瓦特计法测量声功率本身存在的理论偏差,并给出了两性能相同的换能器对接系统的实验结果,表明这种方法在轻负载(不大于水负载)测量中的准确性,提出工程上简化的测量方法
短句来源
     The stationary probability density for the Langevin equation of two-noise-resources system where the noise corresponds to the weak intensity(D_i)approx-imation for Ornstein-Uhlenbeck(OU)noise has been driven by use of Likc-WKB method for analysing threedimensional Fokker-Planck equation(FPE).
     对于双噪声源的随机郎之万方程,在噪声均为OU噪声的情况下,从三维的FPE出发,利用类WKB方法,详细分析了双噪声源在其噪声强度均很小时对非平衡相变行为的影响,得到了定态几率密度的表达式。
短句来源
     Based on the cascade two-photon laser dynamic equation derived by using the technique of quantum Langevin operators with the considerations of coherently prepared three-level atoms and the classical field injected into the cavity, he numerically study the effects of atomic coherence and classical field on the chaotic dynamics of a two-photon laser.
     本工作我们考虑了原子的量子相干性和注入经典光场,利用量子郎之万算符方法,尝试推导非简并级联双光子激光器的动力学方程,并且通过数值方法研究原子相干性和注入经典光场对非简并级联双模双光子激光器动力学的影响。 结论是:加入原子相干性和经典光场,系统由洛伦兹混沌状态或周期状态产生了超混沌状态,或者系统的这种超混沌状态被抑制到周期状态或稳定点状态。
短句来源
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  “langevin”译为未确定词的双语例句
     Code of Langevin Trajectory Monte-Carlo Sampling Analysis to Dynamics Calculation of Complete Fusion Reaction
     Code of Langevin Trajectory Monte-Carlo Sampling Analysis to Dynamics Calculation of Complete Fusion Reaction
短句来源
     Effect of Langevin Statistical Fluctuations on Heavy-ion Induced Fusion Reaction
     Effect of Langevin Statistical Fluctuations on Heavy-ion Induced Fusion Reaction
短句来源
     Langevin Mode Study of Solvent Viscidity Influence on the Properties of 18-Crown-6
     Langevin模方法研究溶剂粘度对18-冠醚-6性质的影响
短句来源
     MONTE CARLO SIMULATION ON LANGEVIN EQUATION
     Langevin方程的蒙特卡罗模拟
短句来源
     Inhabitant Distribution Model Based on Langevin Equation
     基于Langevin方程的居民分布模型
短句来源
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  langevin
Ultrasonic linear motor using the L-B mode Langevin transducer with an exponential horn
      
An ultrasonic linear motor is proposed and fabricated by using the longitudinal and bending vibration double mode bolt-clamped Langevin type transducer to meet high power and speed requirements in the aerospace and semiconductor industries.
      
This results in faster (compared to Langevin's law) growth of the magnetization of a system in weak and intermediate fields.
      
This results in faster (compared to Langevin's law) growth of the magnetization of a system in weak and intermediate fields.
      
Use of Langevin equations for calculating turbulent transfer coefficients
      
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Starting from the equations satisfied by the vertex functions on the closed time path, we derived the generalized Langevin equations for the order parameters and the conserved variables. The proper form of the equations for the conserved variables, including automatically the mode coupling terms, was determined from the Ward-Taka-hashi identities and the linear response theory. All existing dynamic models were recovered by assuming the corresponding symmetry properties of the system. The whole theoretical...

Starting from the equations satisfied by the vertex functions on the closed time path, we derived the generalized Langevin equations for the order parameters and the conserved variables. The proper form of the equations for the conserved variables, including automatically the mode coupling terms, was determined from the Ward-Taka-hashi identities and the linear response theory. All existing dynamic models were recovered by assuming the corresponding symmetry properties of the system. The whole theoretical framework is also applicable for describing the systems near steady states far from equilibrium.

本文从闭路格林函数顶角方程出发,推导出临界动力学中序参量和守恒量所满足的广义朗之万方程。根据Ward-Takahashi恒等式和线性响应理论,确定守恒量方程应具有的形式,它自动包含了模-模耦合项。考察不同的对称群,得到临界动力学的各种模型。整个理论框架也可用于描述远离平衡的稳态附近的行为。

A model of laser oscillation is suggested and in the light of the quantization procedure of Dekker's dissipative systems, the laser equations of motion are derived through both density operator and Langevin methods respectively. They have been compared with Lamb's results of the reservoir theory. It can be seen that Lamb's results are the zero-order approximation of the results presented in this article.

本文提出一个激光振荡的模型,并根据Dekker的耗散系统的量子化程序分别用密度算子方法和Langevin方法导出激光运动方程式。与Lamb的库理论结果进行了比较,可以看到Lamb的结果是本文结果的零级近似。

We discuss the variance of the charge distribution in the heavy ion deep inelasticcollision on the basis of the Langevin equation. In order to explain the difference ofthe initial slope (early stage) of the charge distribution for the different reactionsystems and different bombarding energy, an initial condition of the charge drift inthe early stage of Dic is introduced. It is given by the harmonic or inhamonic motionaround the zero point and closely depends on the nuclear structure and incident energy.The...

We discuss the variance of the charge distribution in the heavy ion deep inelasticcollision on the basis of the Langevin equation. In order to explain the difference ofthe initial slope (early stage) of the charge distribution for the different reactionsystems and different bombarding energy, an initial condition of the charge drift inthe early stage of Dic is introduced. It is given by the harmonic or inhamonic motionaround the zero point and closely depends on the nuclear structure and incident energy.The difference of the inertial mass and stiffness parameter may be the one of thereason for the difference of charge transfer. In addition we also analyse the charac-terstic of the inertial mass parameter.

基于郎之万方程,我们讨论了重离子深部非弹碰撞中的电荷分布宽度。为了解释对于不同反应系统和不同入射能量电荷分布的初始斜率式早期阶段的不同,认为存在着一个早期阶段的电荷飘移的初始条件,由零点的简谐和非简运动,我们得出:这个电荷飘移的初始条件依赖于核的结构和入射能量;惯性质量和刚性参数的不同可能是电荷转移不同的原因之一。另外,通过与实验比较和简单理论分析,我们讨论了惯性质量参数的特征。

 
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