查询词典 dynamic system

The publisher/subscriber system over P2P networks is adapted to support large-scale distributed computing environment and highly dynamic systems. The system will be used widely due to its asynchronous, many-to-many communication properties.

基于P2P网络的发布/订阅系统满足了动态多变的大规模分布式计算环境的要求，实现了异步、松散耦合和多对多通信，有着广阔的应用前景。

The mathematical model of the linear induction motor is built in the way of motor science, and then the control model of the linear motor feed system is proposed, and the relations between the parameters in the model and the system dynamic performances are studied, using the Simulink Module in MATLAB.

从电机学的角度建立了直线感应电机的数学模型，然后又建立了直线电机进给系统的控制模型，通过MATLAB的Simulink功能模块仿真分析模型中各参数和系统动态稳定性的关系。

Based on the elastic theory of large deflection and by taking into account the variation of the axial force and its effects on bending deformation of the drillstring in vertical section,the vibration of the drillstring induced by fluctuating weight-on-bit is described by a parametrically excited system.A Mathieu equation describing the system is established by Galerkin Method.By extending the solution into a Fourier series,the curves of dynamic bifurcation values and the dynamically unstable regions surrounded by the curves are presented.

基于弹性大变形理论，考虑到轴力沿钻柱轴线的变化及其对钻柱弯曲变形的影响等因素，将受自重作用的铅垂井段钻柱在波动钻压激励下的振动转化为一个参数激励系统，用Galerkin方法首次得到了描述此系统的Mathieu方程，并通过将方程的解展成富里叶级数的方法，得到了该振动系统的动力分岔值曲线及其所包围的动力不稳定区。

Using the differential mean value theorem, the nonlinear error dynamic descriptor system is transformed into a linear parameter varying descriptor system.

利用微分中值定理将动态误差非线性广义系统转化成线性变参数广义系统。

The main content of this paper is to research dynamic behavior and stability of nonlinear rotorbearing system, study the numerical methods that is used to this kind of system, solve oil film forces and its Jacobian matrix at any moment, in order to offer basis for project design.

本文主要研究非线性转子—轴承系统的动力学行为和稳定性，研究用于该类系统非线性动力特性的数值方法，求解任一时刻轴承油膜力及其雅可比矩阵，为工程设计提供依据。

Using the basic dynamic equation of rotary non-inertial system, the basic law of object s movement in the reference system of rotating about fixed axis , and the conditions of momentum conservation and conservation of momentum moment of objects are educed.

利用旋转非惯性系中的基本动力学方程，导出在定轴旋转参照系中物体运动的基本规律，以及物体动量守恒和动量矩守恒的条件。

This paper establishes the mathematical model of multicylinder hydraulic synchronizing system and carries out dynamic analysis,and puts forward the simulation test of the synchronizing system and a new method of computer On_line detection.

本文对多缸液压同步系统建立数学模型，进行动态分析，并提出了同步系统模拟试验和计算机在线检测的新方法。

Considering the effect of the change of ambient light on the navigation system of the car, an image processing algorithm with adaptive dynamic threshold is proposed to track the change of ambient light and provide an anti-jamming way for the navigation system with short operating time required.

考虑到环境光线的变化会影响导航效果，提出了一种自适应动态阈值图像处理算法；该算法运算量小，能跟踪环境光线的变化。

To evaluate the vehicle steering stability accurately and to establish its precise evaluation standard,a real time vehicle test system based on the INS/RTKDGPS combined navigation was proposed in the light of the velicle dynamic driving behavior.The system can be applied in the vehicle field test to measure the vehicle movement states real-timely.

为了准确评价汽车操纵稳定性等性能和建立高精度的汽车评价标准，针对汽车动态运行工况特点研究了一种基于INS/RTKDGPS组合导航原理的汽车测试系统，可用于汽车性能场地试验并能够实时精确测量完备的车辆运动状态参数。

To evaluate the vehicle steering stability accurately and to establish its precise evaluation standard, a real time vehicle test system based on the INS/RTKDGPS combined navigation was proposed in the light of the velicle dynamic driving behavior. The system can be applied in the vehicle field test to measure the vehicle movement states realtimely.

为了准确评价汽车操纵稳定性等性能和建立高精度的汽车评价标准，针对汽车动态运行工况特点研究了一种基于INS/RTKDGPS组合导航原理的汽车测试系统，可用于汽车性能场地试验并能够实时精确测量完备的车辆运动状态参数。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。