Perturbation theory was used to analyze two-dimensional graded-index guides in this paper. 利用微扰理论对渐变折射率平面波导进行数值分析。
Firstly, the state variables of the reentry vehicle are decomposed into two sub-systems of different time scales using the singular perturbation theory. 首先,利用奇异摄动理论对再入飞行器状态变量进行两个时间尺度的划分,将系统状态方程分解成两个低维子系统。
Equation of State for Chain Molecules by Use of Perturbation Theory 用微扰理论研究链状流体的状态方程
Probability perturbation theory and the fourth moment method were employed to discuss the reliability and reliability-based optimization problem of mechanical components with multiple failure modes. 应用概率摄动法与可靠性分析的四阶矩技术,对多失效模式下机械零部件可靠性分析和稳健设计方法进行探讨。
Ground-state energy of a planar quantum dot with two electrons is calculated with perturbation theory, numerically exact diagonalization and variational theory. 由于库仑作用,目前的研究还得不到双电子平面量子点基态波函数和基态能量的精确解析解。
Using the perturbation theory and perturbative method, the uniformly valid asymptotic expansions of the solution for a class of ENSO model are obtained easily. 利用摄动理论和方法,较简便地得到了一类ENSO模型解的一致有效的渐近展开式。
Classical and quantum oscillators of quartic anharmonicity are solved analytically up to the second power of ( weak-coupling constant) by using the multiple-scale perturbation theory. 应用多尺度微扰理论研究了弱耦合非简谐参数的经典和量子四次非谐振子,得到了四次非简谐运动方程的经典和量子二阶解。
Forward and inversion formulae are derived for the weakly anisotropic ( WA) media by using the perturbation theory. 利用微扰理论推导了弱各向异性(WA)介质参数正反演计算的基本公式;
Trajectory tracking control for robot manipulators with bounded inputs based on the singular perturbation theory 基于奇异摄动理论的输入有界机器人轨迹跟踪控制
With the time-dependent perturbation theory, the dynamics of a two-level system coupled to an Bose field is revisited. 从含时微扰论的角度出发,重新求解了与玻色场相耦合的两态系统的动力学。
Size Consistency Study on the Single Reference Perturbation Theory with Two Hamiltonian Partitions 两种哈密顿量划分的单参考态微扰展开式的大小一致性研究
Output regulation of nonaffine systems based on singular perturbation theory 基于奇异摄动理论的非仿射系统的输出调节问题
The traveltime in anisotropic media is calculated, in the present study, based on the first order perturbation theory. 根据各向异性介质的扰动理论来计算走时。
The Eigenvalue Problem and Perturbation Theory of Accretive and Monotone Operators; The Proof of the Generalized Cauchy Mean-value Theorem with Method of Interpolation 增生算子与单调算子的特征值问题及扰动定理利用插值法证明推广的柯西中值定理
Experimental research on damage detection of cantilever beam based on frequency perturbation theory 基于频率摄动理论识别悬臂梁损伤方法的试验研究
The Computation of High Order Approximation Formulae in Non-degenerate Stationary Perturbation Theory 非简并定态微扰理论高级近似公式的计算
Timing jitter of ultrashort solitons propagating in dispersion-decreasing fiber ( DDF) is analyzed through perturbation theory. 通过微扰理论分析了超短孤子在色散缓变光纤(DDF)中传输的时间抖动。
We must seek two main approximation methods of solution, the variation method and perturbation theory. 我们必须寻求两个主要的近似解法、变分法和微扰法。
Improving Martin Hou Equation of State with Soft Core Perturbation Theory 用软核微扰理论改进马丁-侯状态方程
The electronic and ionic polarizing process were researched by the perturbation theory of quantum mechanics. 利用量子力学的微扰理论研究电子和离子极化过程。
The wave performance and its criterion of occurrence have been obtained by using perturbation theory and numerical method. 应用摄动理论和数值方法,求得了位移波的波形和位移波产生的判别准则。
Random differential equations of minor noise were established by means of perturbation theory of minor noise. 通过小噪声摄动理论,建立了小噪声随机微分方程。
And perturbation theory is one of the important parts of soliton theory. 而微扰理论作为孤子理论中的一个重要方面,关于它的研究也日益引起人们的关注。
In some problems in quantum transition, time-dependent perturbation theory gives the first order approximation of transition probability amplitude. 在有关量子跃迁的问题中,含时微扰理论给出了跃迁概率振幅的一级近似解。
A new equation of state for electrolyte solutions is presented based on perturbation theory. 本文以扰动理论为基础建立了一个新的电解质溶液的状态方程。
In this thesis, we study systematically and allsidedly soliton perturbation theory for a sort of nonlinear evolution equations. 本文系统地、全面地研究了一类重要的非线性演化方程的孤子微扰问题。
To deal with hadronic matrix element of the final state, we have used chiral perturbation theory approach. 对于末态的强子矩阵元部分,我们采用了手征微扰论的方法。
Vibration equation of structure with more degrees of freedom has been analyzed by using matrix perturbation theory. 采用矩阵摄动理论分析多自由度结构振动方程,推导结构自振频率和截面刚度的函数关系,建立结构动力指纹。