查询词典 continuous dynamical system

Secondly, the theory for multi-flexible dynamical systems is introduced and applied, and the simplified system obtained is cubic nonlinear, with 1:3 internal resonance for certain parameter condition.

其次，简要介绍了柔性多体动力学理论，将柔性多体动力学理论应用于一类刚柔耦合系统的建模。该多柔体系统离散化后的简化模型为一个含有1：3内共振关系的立方非线性系统。

By analyzing the distribution of the roots of the characteristic equation according to Rouche theorem, the stability condition of this dynamical system is investigated and Hopf bifurcations are demonstrated. The bifurcation graph can be obtained and some simulation examples are shown.

利用儒歇定理及其推论分析了该动力系统特征方程根的分布情况，进而得到该系统解析解稳定和Hopf分支存在的条件，画出了分支图，给出相应的数值例子。

Taking the self-poise digital balance as example, this paper analyses the influence of every part of digital balance on dynamical performance of a system, and builds up a mathematical model.

文中以自动平衡数字秤为例，详细分析了数字秤各部分结构参数对系统动态性能的影响，并建立了数学模型。

Following, a flight control system is designed in analytical dynamical inversion method based on the time-scale separation principle.

随后，采用基于时标分离原则的动态逆控制方法设计了飞行控制系统。

Using coupling model M4RC3 and improved MM4, a dust storm and a snow storm were simulated respectively. The effects of radiation parameterization and microphysics parameterization on development of dust storm and snow storm mesoscale system were discussed. Dynamical and thermodynamical diagnoses were also carried out to study the developing mechanism on the systems.

用耦合模式M4RC3和引入三相云显式降水方案后改进和发展的中尺度模式MM4分别对西北地区黑风暴和暴雪进行了数值模拟，讨论了模式中辐射参数化和微物理过程参数化对与黑风暴和暴雪相伴的中尺度系统演变的影响，并对这些系统发生、发展的机制进行了动力学和热力学诊断。

Dynamical property of the system model with two populations is studied based on Lyapunov stability theorem and Routh-Hurwitz criterion.

运用Routh-Hurwitz判据研究了两种群系统模型的动力学性质。

In the course of designing this system, this paper reflects the idea that combination with long and short term indexes, statical and dynamical indexes, and single characteristic and multi-level index, and explains every indexs computing technology, evaluation criterion and designing meaning systematically.

在设计这一体系时，充分体现了将长短期指标、动静态指标、单一与多层次性指标相结合的特点，并对体系中各指标的计算方法、评价标准以及设计该指标的意义进行系统的说明。

Suppose that the local source of traffic demand of the intersection is a stochastic variable of known parameter. An optimal control assignment model of the link of the dynamical transportation network flows of stochastic system is founded. Allowing for the construct of the model, based on the objective function of the link is transformed to based on the objective function of the intersection in order to solve it.

假设交叉点的局外入流是某已知参数的随机变量的情况下，建立了目标函数基于路段的随机系统最优的动态交通网络流分配的最优控制模型，充分分析该模型的结构，将该模型的目标函数转化为基于交叉点的目标函数，以便于求解该问题。

This treatise set, forth the importance of symmetry principle in physical theoretical system from the high plane of methodology and discusses the dialetical relationship among symmetry,dynamical equations and conservation laws.

从方法论的高度阐述了对称性原理在物理学理论体系中的重要性，论述了对称性、动力学方程和守恒定律之间的辩证关系。

And it is a full electrical control diesel engine equipped common rail fuel system. The driving motor and engine are correspond controlled via CAN bus, using the load leveling concept and logic threshold approach to control the torque distribution,various operation modes and the dynamical transitions between the modes for hybrid power train.

通过CAN总线实现了联合控制，用基于负荷平衡和逻辑门限的实时控制策略，实现了混合动力系统的转矩分配和不同工作模式以及模式间的切换。

I had a lovely dog named PiPi, he was one of my best friends.

我曾经有过一只小狗，它的名字叫皮皮，它很善良，它是我最忠实的朋友。

Newly ovulated mouse oocytes were cultured in the CZB medium supplemented with different concentrations of pyruvate before treated for activation or assayed for MPF activity.

我们猜测卵母细胞在不含丙酮酸的条件下老化的更快，并且卵丘细胞可能通过消耗不含葡萄糖的CZB中的丙酮酸从而促进卵母细胞老化。