1) direct perturbation approach
微扰直接法
2) direct perturbation method
直接微扰方法
1.
Solving the perturbed coupled nonlinear Schrodinger equations by Lou′s direct perturbation method;
利用直接微扰方法求解微扰耦合非线性薛定谔方程
2.
We apply the direct perturbation method to an integrable nonlinear Schrdinger equation with a correction term to obtain its asymptotic solutions.
将直接微扰方法应用于可积的含修正项的非线性薛定谔方程,通过近似解与精确解的比较确定了直接微扰方法的可靠性。
3) direct perturbation
直接微扰
1.
The adiabatic solution and first correction have got by direct perturbation method.
采用直接微扰方法求解光脉冲传输方程,得出了方程的零级绝热近似解和一级修正。
4) the direct differential method
直接微分法
5) direct differentiation method
直接微分方法
1.
Formulations for design sensitivity analysis of multi-body system dynamics are developed using a direct differentiation method, based on second order ODEs.
基于二阶常微分方程描述的多体系统动力学数学模型 ,采用直接微分方法系统地推导了多体动力学灵敏度分析的矩阵微分方程 ,并提出了简化计算方法。
2.
The direct differentiation method and adjoint variable method for sensitivity analysis based on general objective functions and kinematical algebraic equations,ordinary differential equations of motion and differential/algebraic equations of motion are presented,which link the analysis of mltibody system dynamics and optimization of these systems.
回顾和比较了近年来国际上基于多体系统动力学的设计灵敏度分析与动态优化设计所提出的主流方法,在此基础上,对具有通用性的设计目标函数,基于多体系统运动学方程、常微分方程形式的动力学模型和微分/代数动力学模型,系统地建立了设计灵敏度分析的直接微分方法和伴随变量方法。
3.
The direct differentiation method is used for design sensitivity analysis of multibody system dynamics described by differential/algebraic equations with holo nomic constraints.
针对受完整约束的多体系统动力学微分／代数方程数学模型动态最优化设计问题,建立了通用的目标函数和约束方程,并以此为基础,用直接微分方法系统地推导出了计算设计灵敏度的通用公式,最后通过平面机械臂模型对理论结果和相应算法进行了验证。
6) perturbation
[英][,pɜ:tə'beɪʃn] [美]['pɝtɚ'beʃən]
微扰法
1.
The Foresee of Chaos of Planar Josephson Equation with Melnikov Function and Perturbation Method;
通过Melnikov函数和微扰法来预测平面Josephson方程的混沌
2.
The binding energies of the ground state and the low-lying excited states of hydrogen-like impurity in a InAs/GaAs quantum dot are investigated by applying the effective mass approximation and the perturbation.
在有效质量近似下,采用微扰法研究了InAs/GaAs量子点内类氢杂质基态及低激发态的束缚能。
3.
First taking the energy of hydrogen atom as zero level of energy, the energy levels of 2s-4f states of helium atom are calculated by means of perturbation, and then taking the energy of helium atom as zero level of energy, the energy levels of 2s-4f states of lithium atom are calculated by means of perturbation.
首先以氢原子的能量为零级近似能量,用微扰法计算了氦原子的2s～4f态能量,然后以氦原子的能量为零级近似能量,用微扰法计算了锂原子2s～4f态的能量。
补充资料：可降解淀粉微球和生物降解白蛋白微球阻滞法
可降解淀粉微球和生物降解白蛋白微球阻滞法
介入放射学技术。介入性局部化疗之前，把二者注入靶动脉，可暂时减少动脉血流，再行化疗药物灌注，以减少血液冲刷，保持局部化疗药物浓度的技术。与其他中期和长期栓塞微球不同，DSM和BAM仅造成数十分钟的血流量减少，待其被降解后血流可恢复至以前水平。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条