查询词典 oscillation equation

According to coherent population oscillation and gain theory, the analytic expression of the group index from rate equation is obtained.

根据布居振荡效应及增益理论，由速率方程出发，得到了探测光的群折射率的理论解析表达式。

Many results have been gain about the equation's oscillation, asymptotic behavior and stability, etc.

此外，在讨论方程的振动性的时候，我们分三种情形得到了方程振动的充分性判据。

The pressure oscillation which can t be tested by continuity equation is prevented by means of a special averaging procedure of contravariant velocity components on control volume faces.

提出了在贴体坐标系中非交错网格的SIMPLE 算法，通过对控制界面上的逆变速度分量作特殊加权平均处理，可避免在非交错网格中产生压力波动而连续性方程又无法检测出来的问题

Based on a second order damped oscillation differential equation for a missile and upon a detailed analysis of the balance sideslip angle under commands from several different ways of control, the paper proposes some significant empirical criteria for the static stability design of anti tank missiles.

根据弹体摆动运动的简化数学模型，通过对几种控制方式不同的反坦克导弹在指令作用下的平衡侧滑角等数据进行分析研究，得出了反坦克导弹静稳定度设计的一个经验性法

In this paper,by using the characteristic equation,some forced oscillation of certain delay hyperbolic differential equation s are obtained.

借助其特征方程，获得了一类时滞双曲型微分方程解的强迫振动的若干充分条

We offer a new method on studying the oscillation of higher order dynamic equation on time scales. And the results generalize the theory of continuous and discrete dynamic equation.

该文所用方法为研究时间模上高阶动力学方程的振动性提供了新的方法，且所得结果也统一和推广了连续和离散的动力学系统的理论。

Finally we consider the half-linear neutral delay dynamic equation A comparison result for the oscillation between the equation and a first order delay dynamical inequality is established.

在本章最后，考虑半线性中立型时滞动力方程建立了方程的振动性与一个一阶时滞动力不等式振动性的比较结果，在此基础上，给出了方程所有解振动的几个充分条件。

On the basic of NNLSE and the Poisson equation, using the Green function approach, we obtain the response function of the lead glass of finite-size, which is a strong nonlocal medium. Starting with the paraxial ray equation, we obtain the analytical solutions of the oscillation trajectory and period of the beam.

基于非局域非线性薛定谔方程以及热传导的泊松方程，采用格林函数法求出了强非局域介质铅玻璃的响应函数和临界功率；从光线方程出发得到了偏离材料中心入射的光束中心振荡轨迹以及周期的解析解。

In the fourth chapter, theoretical analysis was performed by using the stochastic oscillation theory, the stochastic averaging equation and the FPK equation were deduced and some simulation results about the stationary probability density function of such system were given.

第四章利用随机振动理论，对系统进行了一些理论分析，推导了此类系统的随机平均方程与FPK方程，并初步给出了一些关于系统响应的平稳概率密度的模拟结果。

By the improved algorithm of exploring iterative interpolation method, the pre-estimate formula in the form of 2-order differential equation have been replaced by pre-estimate formula in the form of 1-order differential equation, confirm the u monotony accession strictly. It could avoid the interpolation direction converse and oscillation.

算法采用改进的探索迭代法实现，用一阶差分预估器代替二阶差分预估位置点的偏差器，保证曲线参数u的严格单调增加，以消除插补方向反转和振荡现象。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。