查询词典 dynamical

It is said that the stochastic perturbation method basically could not fulfil the requirement of dynamical random response problems.

有关上述Gegenbauer多项式方法在随机振动问题中的应用，现有文献中尚未见报道。

Fourth, we have developed a new hybrid control strategy by combining state feedback and parameter perturbation for controlling period-doubling bifurcations and chaos in discrete nonlinear dynamical systems.

4提出了参数调节和状态反馈的混合控制新方法，有效地实现了离散非线性系统的倍周期分岔控制和混沌控制。

In this paper a method for design of constant phase shift network, which can be used to improve the dynamical characteristics of feedback systems with variable open-loop gain, has been proposed.

本文讨论用于改善开环增益可能会有较大变化的反馈系统的动态特性的"等相移网络"的设计方法，并采用了优化的计算程序来求出极、零点的最佳位置，从而得到了一个在计算机上实现的最优设计法。

In addition, the change of pH and pressure loss coincides with lag phase, dynamical growth phase and stabilization phase, and they are the important parameters of bio-membrane stat-up accomplishment.

同时，压力损失和pH也与启动过程的适应期、动力学生长期和稳定期相一致，也是作为挂膜启动的重要指标。

Horizontal Well ; Piecewise Smooth Dynamical Systems ; Impulsive Differential Systems ; Optimal Control ; Stability ; Initial Time Difference

国家自然科学；水平井；分段光滑动力系统；脉冲微分系统；最优控制；稳定性；初始时刻偏差

The program that analyzes dynamical problem of plane infinite domain.

平面无限域动力分析计算程序。

Because the above surface breaks the point symmetry of spherical dome, the system may introduce dynamical aberrations depending on Regard of View and Field of View, which is characterized by large tilt and large eccentricity.

但是上述表面破坏了球形整流罩的点对称几何特性，使该系统具有大倾斜、大偏心光学特性，引入依赖于目标视场和瞬时视场的动态像差特性。

At the location of the south polar vortex for the normal year, the mixing ratios of O3 and CH4 increased, HCl and NO decreased, but NO2 and H2O did not accord with a given rule at all altitudes over Antarctica in 2002, which was related to the change of the vortex and the dynamical transportation after the SSW, and affected by the reduced polar stratospheric clouds and weakened processes of heterogeneous chemistry.

通过比较还发现，在通常年份极涡所处的位置上，2002年O3和CH4的混合比有所增加，HCl和NO的混合比有所减少，而NO2和H2O在不同高度上的变化特点不同。这与爆发性增温之后极涡和动力输送的变化有关，同时由于增温导致极地平流层云中相关冰相反应的减弱也是一个重要的原因。

Decreasing the limitation to original program which only adapt to ternary target and it's helpful to ionic pour of alloy target,changing character of dynamical mixture surface and pouring polyatomic elements simultaneously (These are the researching topic on changing character of material).

放宽了原程序适于三元靶的限制，这样就可以对合金靶的离子注入、动态混合表面改性以及多元素同时注入的过程模拟（这些都是材料表面改性领域正在研究的课题）。

The physical meaning of the dynamical equilibrium relationships, velocity space-time distribution and energy propagation involved in the energy matrices can be described by the positive definite quadratic form of the energy matrices.

能量矩阵蕴含的动态力的平衡关系、速度的时间_空间分布和能量的传播及变化的物理意义，能够从能量矩阵的正定二次型特性表述出来。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。