Langevin equation

美 [ˈleɪŋgɪvɪn ɪˈkweɪʒn]

网络  朗之万方程; 方程式; 郎之万方程; 朗之万方程式; 之万方程

化学



双语例句

  1. If I told him I had a dot of a million frances he would ask nothing better. The model is also associated with Langevin equation.
    如果我告诉他我有一百万法郎作嫁妆,他更会求之不得了。将模型和郎之万方程联系起来,给出了更多的物理解释。
  2. The anomalous Langevin equation is proposed as a fundamental equation of statistical physics to replace the Liouville equation.
    用刘维空间反常朗之万方程取代刘维方程作为统计物理的基本方程,由此得到了平衡态系综。
  3. A three-dimensional Langevin equation with covariant form is applied to describe the asymmetric nuclear fission.
    采用一个具有协变形式的朗之万方程组来描述不对称热核裂变。
  4. The stationary current of the particle is obtained by analytically and numerically solving the generalized Langevin equation. The behavior of the current as a function of anomalous parameter δ and waiting time τ_ off in the potential off is analysed.
    通过解析和数值方法求解广义Langevin方程,得到了粒子稳定定向流,研究了其随反常扩散指数δ和无势停留时间τoff的变化规律。
  5. A clinical thermometer model is proposed, which can be described by discrete Langevin equation.
    提出一个可用离散朗之万方程描述的体温计模型。
  6. From Langevin Equation, the stochastic resonance characteristics of bistable system were investigated, including the probability density function and other character numbers.
    通过朗之万(Langevin)方程,本文详细研究了双稳态系统的随机共振特性,得出系统稳态输出的概率密度分布函数及其数字特征。
  7. In ergodic region the motion equation can be written in Langevin equation and diffusion coefficient D can be obtained from Fokker-Planck model.
    在各态历经区,粒子的运动方程可以写成朗之万方程的形式,横向扩散系数D-可以应用福克-普朗克模型得到。
  8. General forms of Langevin equation are related briefly;
    本文简述了Langevin方程的一般形式;
  9. The mean, variance, and skewness of the steady state laser intensity are calculated through a Langevin equation ( LE) derived by Long which is always stochastically equivalent to the single mode cubic laser model when additive and multiplicative noises are correlated.
    从一个具有交叉关联噪声与单模激光与立方模随机等价郎之万方程,计算了稳态激光光强度的平均值、协方差和偏斜率。
  10. The properties of quantum noise and Langevin equation are discussed.
    介绍了量子噪音和量子Langevin方程,并与经典噪音和经典Langevin方程进行了比较。
  11. A sampling trajectories-Monte Carlo method for solving non-Markovian Langevin equation driven by harmonic colored noise and with memory-damped is presented based on increased of four-dimensional phase space.
    本文基于四维相空间拓展,提出了求解简谐有色噪声驱动下含记忆阻尼的非马尔科夫Langevin方程的轨道抽样&蒙特卡罗方法。
  12. From the Anomalous Langevin Equation in Liouville Space to Nonequilibrium Entropy
    从刘维空间反常朗之万方程到非平衡熵
  13. Applications of Fokker-Planck ( FPE) and Langevin equation are given in the scientific fields, particularly, in biology and meteorology.
    介绍了近几年朗之万方程和Fokker-Planck方程在各学科中的应用,特别指出了在生物遗传学、气象学中的最近研究动态;
  14. The evolution equations of river bends are proposed by using the self-organized theory and method which are the Fokker-Planck equation and the Langevin equation.
    运用自组织理论和方法建立河湾的演化方程.结合Fokker-Planck方程解析解的性质与Langevin方程的动力学特征,推断河湾演变的基本规律如对称破缺、形态转变、演变趋势及速度等。
  15. The interactions between incident particles and solids in ion implantation have been investigated based on the generalized Langevin equation of classical dynamics.
    本文用经典力学中推广的朗之万方程研究了离子注入中入射离子与固体的相互作用。
  16. Inhabitant Distribution Model Based on Langevin Equation
    基于Langevin方程的居民分布模型
  17. In the 2nd chapter, We derive the dimensionless dynamic equations of two-photon lasers with ∧ atomic level configuration by using the quantum Langevin equation method with the considerations of atomic coherence and injected classical fields.
    在第二章中,我们利用量子光学中的量子朗之万方程,在考虑了原子相干性和注入经典光场的影响后,推导出了∧构型双光子激光器的无量纲动力学方程组。
  18. The relation between the Langevin equation and the Schwinger-Dyson equation for the Wilson loop is discussed.
    讨论了方程的解的形式及其和Wilson圈的Schwinger-Dyson方程的关系。
  19. Our innovation in this model: on the basis of analysis and modify others model, according to generalized langevin equation to set up a dynamical model which describe the bistability phenomenon in granular systems.
    本文的创新之处是在分析和修改前人的模型基础上,利用广义朗兹万方程建立了一个描述颗粒系统双稳现象的动力学模型。
  20. Quantum Noise and Quantum Langevin Equation
    量子噪音与量子Langevin方程
  21. By the method of unified colored noise approximation and the transformation of noise terms in Langevin equation, the corresponding Fokker-Planck equation is obtained.
    通过统一色噪声近似和朗之万方程中的耦合噪声项的变换,可得到相应的福克&普朗克方程,再根据几率守恒定律推导出定态几率流。
  22. The covariant form of the Langevin equation and the Fokker-Planck equation describing the nuclear fission process is studied. The transformations of dynamical parameters are given.
    研究了描述原子核裂变过程的Langevin方程和Fokker-Planck方程的协变性,给出了动力学参数的坐标交换规律。
  23. A stable and accurate integral closed algorithm is presented, which is used to solve multiplicative Langevin equation describing the directed motion of a particle in a periodic potential.
    提出一种稳定和精确的坐标变换和闭合积分方法,用以求解描述周期势场中布朗粒子作定向运动的乘性朗之万方程。
  24. The time step problem of Monte-Carlo simulation for Langevin equation
    MonteCarlo方法模拟Langevin方程中的时间步长问题
  25. By constructing a mesoscopic stochastic model for intracellular calcium oscillations in a cell system, the authors have investigated how the internal noise would influence the calcium oscillations of such a system using chemical Langevin equation.
    通过构建一个细胞内钙振荡的介观随机模型,采用化学朗之万方程,研究了内噪声对细胞内钙振荡的影响。
  26. The memory function in Generalized Langevin Equation is an important variable.
    广义朗之万方程中记忆函数是一个重要变量。
  27. Based on the Langevin equation of the nonlinear dynamical system, the Fokker-Planck equation is derived by using some approximative approaches.
    本文从非线性动力系统的朗之万方程出发,应用近似处理的方法,得到系统相应的Fokker-Planck方程。
  28. In this thesis, we briefly introduce the theoretical model of atom-field interaction and the stimulated Raman adiabatic passage. Then we describe heat bath theory and Langevin equation which can be used to study the open system of atoms coupling to the cavity modes.
    本文首先介绍了光和原子的相互作用的理论模型和受激拉曼绝热通道,接着介绍了研究腔模与原子相互作用这个开放系统时主要采用的热库理论的基本知识和朗之万方程。
  29. Based on the solution of velocity Langevin equation, constraints for temperature-density relation and for pressure-density relation are established, and the detailed calculation method is provided.
    从求解速度朗之万方程出发,建立了系统的温度-密度条件和压强&密度条件,并给出了具体的计算方法。
  30. The energy characteristics of thermal response kinetics in free stage was obtained by combining Langevin equation and equipartition theorem, And based on Langevin equation, an oscillator of cellular-molecular system was introduced to deduce the energy distribution for the tethered stage.
    通过朗之万方程和能量均分定理,对细胞自由状态的能量特性进行描述,并结合拴缚细胞的振子反应系统建立模型,推导出拴缚细胞在受流体和分子键作用下的能量分布。