变分法

  • 网络variational method;calculus of variation;variational calculus
变分法变分法
  1. 利用变分法原理,推导出满足优化问题的必要条件

    The necessary conditions for optimality were derived calculus of variations .

  2. 关于变分法中Nash平衡点的扰动定理

    Perturbation Theorems for Nash Point Equilibria in the Calculus of Variations

  3. 由单幅图像重构表面形状的B样条变分法研究

    B-Spline Variational Method for Shape Reconstruction from Shading

  4. 变分法在H型钢万能轧制温度计算中的应用

    The Calculus of Variation Used in the Calculation of H-Beam Universal Rolling Temperature

  5. 同时这一工作也表明,用线性变分法结合B样条函数在处理这类问题时是非常有效的。

    It is a fairly proper method to handle these sorts of problems by using variational method and B splines .

  6. 基于变分法的SAR卫星图像分割技术研究

    Research of SAR Image Segmentation Based on Variational Method

  7. 厚高阶光学非线性介质Z扫描的变分法分析

    Variational Approach to Analysis of Z-Scan in Thick Media With High Order Nonlinearity

  8. 改进Hückel模型变分法与同系线性规律

    Modified H ü ckel Model Variational Method and Homologous Linearity

  9. 它是基于变分法和有限差分法的结合,适用于任意折射率分布和r值。

    This method is based on the combination of variation and finite difference methods , and is suitable for the arbitrary index profile and width-depth ratio .

  10. 使用分区变分法计算了GaAs,GaP和GaAsxP(1-x)合金的能带。

    The energy bands of GaAs , GaP and GaAstP_ ( 1-x ) are calculated using the zone-variational method .

  11. 曲面G1拼接中的变分法

    Variational method in G 1 surface connection

  12. 我们首先讨论了如何通过Boltzmann方程和变分法得到剪切粘滞系数。

    We will firstly discuss about derivation of the shear viscosity via variational method in the Boltzmann equation .

  13. 对能量变分法和Rayleigh法进行了比较,对发现的问题进行了探讨。

    Furthermore , The energy variational method and Rayleigh method are compared and some problems need to be studied are also discussed .

  14. 量子Klein-Gordon模型色散关系的含时变分法研究

    Time-dependent variational approach to dispersion relation of the quantum Klein-Gordon model

  15. 在SD对壳模型的理论框架下,利用变分法及TDA近似确定SD对结构。

    Variational method and TDA approximation was applied to construct the SD pairs in the SD-pair shell model ( SDPSM ) .

  16. 变分法的Euler-Lagrange方程及其应用

    The Euler-Lagrange Equations in the Calculus of Variations and their Simple Applications

  17. 集团变分法(CVM)及其在合金相图计算中的应用

    Cluster variation method ( CVM ) and its application in calculation of alloy phase diagrams

  18. SU(2)格点规范理论的Manton作用量的改进变分法研究

    Improved variational study in su ( 2 ) lattice gauge theory for Manton action

  19. 基于变分法的局限性,在其基础上引入控制变量u,构建了一个分段时间连续的选举模型。

    Considering the limitation in calculus of variations , the authors introduce control variable with which a piecewise continuous time model of election based on calculus of variations is newly established .

  20. 根据流体力学理论和变分法原理,推导出了熔透情况下TIG焊接熔池上表面和下表面变形的方程。

    The calculating formulas of top and bottom pool-surface deformation in TIG full-penetration weld pool is developed based on principles of fluid mechanics and variation calculus .

  21. 研究了离散动力系统和连续动力系统的Lyapunov指数,提出了定量识别混沌的新方法:计算最大Lvapunov指数的变分法,为判定混沌是否存在提供了有效方法。

    Lyapunov exponent for discrete and continuous dynamic systems are investigated , and an effective criteria for determining chaos based on computing the largest Lyapunov exponent using variation method is proposed .

  22. 非相对论能量及波函数用Rayleigh-Ritz变分法确定;

    The non-relativistic energies and wave functions are calculated by using Rayleigh-Ritz ′ s variation method .

  23. 本文按照Skyrme变分法的精神,求得了原子核gR因子的普遍公式。

    A general formula for the gR factor is derived in accordance with the spirit of Skyrme 's variational method .

  24. 根据变分法推导出了杂交有限元中奇异元应力强度因子的计算公式,并用杂交有限元法计算了V形切口顶端的应力强度因子KⅠ和KⅡ。

    Based on the Variation Principle , the formula of stress intensity factor of hybrid-element were obtained , the stress intersity factor of the beams with V-notch , K ⅰ and K ⅱ calculated by the hybrid-element method .

  25. 利用变分法原理获得了在不记双瑞利背散射(DRB)影响时的最优信号功率分布函数&均匀分布,但考虑双瑞利散射影响时则不存在解析的最优分布函数。

    But the analytical optimal distribution does not exist when taking double Rayleigh backscattering ( DRB ) into account .

  26. 根据变分法和ABCD定律,导出了非线性锥形梯度折射率棒透镜中高斯光束的成像公式。

    Imaging formulas of Gaussian beams in nonlinear conical GRIN rod lenses are derived from the variational method and the ABCD law .

  27. 利用改进变分法求出了正切作用量的四维SU(2)格点规范理论的元格内能和比热曲线。

    By using improved variational method , the internal energy per plaquette and the specific heat curves of the Tangent action in SU ( 2 ) lattice gauge theory arc worked out .

  28. 散射变分法和Regge轨迹

    Variational Method for Scattering and Regge Trajectories

  29. 用变分法研究了受迫二维广义KdV方程的反周期行波解的存在性。

    Using variational methods , we study the existence of the anti periodic traveling wave solutions to a forced two dimensional generalized KdV equation .

  30. 研究了滤波控制DMS在双折射光纤中的传输特性,采用变分法解出滤波控制DMS的传输规律,解析结果表明,PMD的滤波控制极大地优化了DMS传输性能。

    The filter controlling the propagation characters in birefringent fiber of the DMS is researched and the variation method is introduced to analyze the rule of the DMS .