通过时滞微分方程和离散差分方程的振动性，建立了具有连续变量的非线性差分方程的振动性条件。
This paper made use of oscillations of delay differential equation and difference equation, established oscillation criteria for nonlinear difference equation with continuous argument.
几十年来，非线性差分方程理论已广泛应用于计算机科学、经济学、神经网络、生态学及控制论等学科中出现的离散模型。
In the last decade, nonlinear difference equation theory has been widely applied in the discrete models of computer science, economy, neutral net, ecology and control theory.
本文主要针对离散时间动力系统的动力学性质研究，包括差分方程及离散人工神经网络两个方面的研究。
This dissertation aims at the study of dynamical properties of discrete-time dynamical systems, which include difference equations and discrete neural networks.
根据输送边界条件，给出了动态模型方程的数值计算方法、管道离散格式、参数存储方法和差分方程。
Based on transmission boundary condition, gives calculation method for value of dynamic model equation, pipeline discrete form, memory method for coefficient and difference equation.
给定一个椭圆方程，我们先找出这个方程的拉氏函数，用差分代替微分，得到离散的拉氏函数。
At first we can get the Lagrangian function from the elliptic equation, then replace differential coefficient by difference and get the discrete Lagrangian function.
利用时间域有限差分(FDTD)法将麦克斯韦方程进行离散化，可以对地质雷达进行数值模拟。
Maxwell's equations can be discretized by finite difference time domain (FDTD) to simulate ground penetrating radar (GPR).
本文通过与概率论有关的差分方程知识，讨论用差分方程解决离散型概率。
This paper is using some knowledge of difference equation related to probability theory. and the Discussion solves the dispersed probability question.
其中连续动力学由微分或者差分方程描述，离散动力学由有限的自动开关描述，并由异步的离散事件驱动。
The continuous dynamics is governed by differential or difference equations, whereas the discrete dynamics is governed by finite automata that are driven asynchronously by external discrete events.
利用离散杜氏变换，给出线性离散系统零状态响应计算式，并可用以解线性差分方程；
With the aid of discrete Du's Transformation, we can solve the zero-state response of a discrete-time system usually described by a linear difference equation.
针对矩阵变换器调制方式的特点，提出了基于输出电压误差函数分析的矩阵变换器离散调制技术，推导了基于时间离散和差分原理的电路方程。
Based on the output-voltage error function, a novel time-discrete modulation technique is proposed for matrix converters (MCs) and time-discrete difference equations of a MC circuit are derived.
提出了一种新的求解双曲守恒律方程(组)的四阶半离散中心迎风差分方法。
This paper presented a new semi-discrete central scheme for hyperbolic system of conservation laws.
利用有限差分技术对通用方程进行离散化，同时采用贴体坐标较好地解决边界不规则的问题。
The problem of boundary irregularity is solved by using finite differential technology and body fitted coordinates.
对于高阶离散混沌系统也可以采用上面的变换将系统降阶，变成一阶差分方程组进行求解，从而离散混沌系统都可以通过简单的编程实现数值仿真。
Then for higher order chaotic discrete-time system, the approach discussed can be degraded to one order difference equation. As a result, chaotic discrete-time system can be easily solved by Matlab.
离散系统或者数字系统，有一到两个变量只在特殊的时刻是确定的，如图2-2A-2b所示，其描述方程为差分方程。
A discrete-variable or digital system has one or more variables known only at particular instants of time as in Fig. 2-2A-2b; the equations are difference equations.
利用有限差分技术对通用方程进行离散化，同时采用贴体坐标较好地解决边界不规则的问题。
The problem of boundary irregularity is solved by using finite differential technology and body fitted coordinates. This paper gives flow field and tem...
利用有限差分技术对通用方程进行离散化，同时采用贴体坐标较好地解决边界不规则的问题。
The problem of boundary irregularity is solved by using finite differential technology and body fitted coordinates. This paper gives flow field and temperature inside th…
利用有限差分技术对通用方程进行离散化，同时采用贴体坐标较好地解决边界不规则的问题。
The problem of boundary irregularity is solved by using finite differential technology and body fitted coordinates. This paper gives flow field and temperature inside th…
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