根据系统变化的规律可分为由微分方程描述的连续动力系统和由映射迭代揭示的离散动力系统。
Usually there are two basic forms of dynamical systems: continuous dynamical systems described by differential equations and discrete dynamical systems described by iteration of mappings.
该方法通过离散压下量，迭代计算得出板型良好的轧制压力所对应的变形量，对实际生产有指导作用。
The deformation quantity corresponding to the rolling press getting good shape can be got by straggling press amount and iterative computation.
设计了一种隐式迭代方法求解颗粒能量方程，采用离散坐标方法计算炉膛内的辐射传热，完整地考虑颗粒能量方程中的辐射项。
An implicit iterative method was developed to solve particle energy equations with the discrete ordinate method used to obtain the radiative intensity distributions in a utility furnace.
根据单线列车运行调整的特点，建立了单线列车运行图的离散事件拓扑图模型，并在此基础上提出了单线列车运行调整的迭代修复算法。
A discrete event topologic diagram model was derived according to the characteristics of the single-track railway diagram, and an iterative repair method was developed on the basis of the DET model.
实验结果表明，在经过数次迭代学习后，闭环离散学习控制可使位置伺服系统达到良好的控制性能。
The experiment results show that this scheme is able to attain a good performance for the position servo systems after several iterative learnings.
对离散方程采用线超松驰方法迭代求解，在亚音速与超音速气流共同存在的出口边界分情况进行了处理。
A special treatment is made in outlet boundary in which the subsonic and supersonic flow exist commonly. Block-Line-Gauss-Siedel method is used to solve THD differencing equations.
该文讨论了采样图象的一般模型，提出了离散图象的采样准则，给出了一种迭代算法。
This paper discusses the general model of Non-uniform sampling image, and presents the sampling principle of discrete image.
仿真结果表明，离散学习控制方法能在有限次迭代后使手指关节位置达到期望位置。
The simulation result shows that it can make finger joint position reach desired position after finite times iteration.
风场数值模拟的预测效果，不仅取决于湍流模型与数值迭代方法，还强烈依赖于离散网格的质量及布局的合理性。
The rationality of numerical prediction results not only depends on the turbulent model and iterative numerical method adopted but also on the quality and layout of the division grid.
文中给出了流函数方程及边界条件的坐标转换形式和离散格式，采用了强隐式(SIP)迭代法，分别对具有弓形和半弓形突体的直管进行了计算。
In this paper, the transformed forms of the flow function equation and boundary conditions and their difference expressions are given, and Strongly Implicit Procedure (SIP) iteration is used.
文中根据混合离散变量的特点，提出了几种邻域状态的产生函数和迭代方案，给出了适宜的模拟退火过程的冷却进度表。
According to the property of mixed-discrete variable problem, an adjacent producing function states is proposed, and a suitable annealing schedule to this optimzation is given.
利用有限元离散变分不等原理和基于线性规划余原理的迭代方法，求解自由边值条件下的油膜力。
The oil film forces under free boundary conditions are solved by finite element discrete variational inequalities and iterative method based on complementary principle in linear programming.
提出了一类离散系统的最优迭代学习控制方法。
In this paper, an optimal iterative learning control scheme for discrete systems is presented.
针对非结构化网格上迭代收敛速度会逐渐减慢的特点，引入了多重网格求解技术，采用了其中效率较高的代数多重网格方法对离散方程进行求解。
To overcome the reduced convergence speed of iteration method, multigrid method is introduced and algebraic multigrid is adopted to solve discretized equations because of its higher effectiveness.
在存在模型-实际差异的情况下，从分时段线性化多模型出发通过迭代运算可得到实际非线性离散动态系统的真实最优解。
The real optimal solution of nonlinear discrete dynamic system can be obtained from piecewise linear model with model reality differences by iterative solution.
数值求解采用控制体方法离散修正雷诺方程，离散后的方程用交替方向迭代法求解。
The control volume method is employed to discrete the modified Reynolds equation, and alternative directions iterate method is used to solve the resulting discretion equation.
针对非线性离散时变系统的迭代学习控制问题，提出了一种改进的迭代学习控制算法。
Aimed at the problem of iterative learning control for nonlinear discrete time-variant system, the improved iterative learning control algorithm is given.
然后，文章针对非线性离散时变系统的迭代学习控制问题，提出了一种改进的迭代学习控制算法。
Then, aimed at the problem of iterative learning control for nonlinear discrete time-variant system, the improved iterative learning control algorithm was given in the paper.
用快速离散傅立叶变换(FFT)的方法确定均衡器的初始抽头系数，它区别于目前常用的迭代算法。
Employing the Fast Fourier Transform Algorithm (FFT) to determine the initial tap coefficients of equalizers is fundamentally different from using the current iteration method.
不平衡输沙方程离散后直接迭代求解。
许多物理学、力学、生物学以及天文学问题的数学模型都是由连续的或离散的迭代过程描述的。
Many mathematical models in physics, mechanics, biology and astronomy are given in such forms. Many problems of dynamical systems can be reduced to an iterative functional equation.
采用控制容积法离散能量方程和N -S方程，并用SIMPLEC算法进行迭代求解。
The energy equation and the N-S equations were discretized by the control volume method (CVM) and solved by the SIMPLEC algorithm.
设计了一种隐式迭代方法求解颗粒能量方程，采用离散坐标方法计算炉膛内的辐射传热，完整地考虑颗粒能量方程中的辐射项。
On the basis of the control volume method, the discrete ordinate method (DOM) was used to solve the radiation heat transfer equation of the model.
综合运用力学知识，运用有限元的思想，将整个管道离散化，使用迭代法编程求解出了每一部分的变形，并绘制出多种情况下的变形曲线。
This article use the mechanics and limited finite element idea to disperse the whole pipe. The distortion curve is drawn in various circumstance by the iteration programming.
介绍了控制方程的空间离散和时间离散及时间项的四阶龙格库塔迭代法；
The spatial and time discretizations of the N-S controlling formulation were introduced. And four-stage Runge-Kutta iterative method of time discretization was introduced.
采用极坐标方程，计算圆弧型和径向线加圆弧型的叶型重心联线；对径向平衡方程的离散方式、迭代方向、迭代方式和迭代收敛准则进行改进。
The computation of mass center line in the arc and radial line with arc type is made by using the polar equation of circular.
本文提出了一种基于离散傅立叶变换的滑窗迭代检测算法，该算法能简化计算，实时有效的检测出谐波参考指令电流。
Then an algorithm based on a simplified sliding-window Fourier is presented in this thesis, which makes calculation of harmonic current in APF simply and detects referenced current effectively.
离散单元法的基本原理是牛顿第二定律，结合不同的本构关系，用动力松弛法按时步进行迭代求解。
The basic principle of the DEM is based on Newton's Second Law of Mot - ion. The whole problem is solved by using the dynamic relaxation method and the time-marching tech...
离散单元法的基本原理是牛顿第二定律，结合不同的本构关系，用动力松弛法按时步进行迭代求解。
The basic principle of the DEM is based on Newton's Second Law of Mot - ion. The whole problem is solved by using the dynamic relaxation method and the time-marching tech...
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