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特征微分方程 的英文翻译、例句

特征微分方程

词组短语
characteristic differential equation
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This section presents two kinds of characteristic schemes, one is the natural use of the usual backward Euler characteristic difference scheme ( [60] ) onto the triangular mesh, the other replaces the backward Euler's method by modified Euler formula to approximate the characteristic differential equation, so that the discretization for characteristic curve can get up to second order accuracy.

本节给出了两种三角形网格上的特征差分格式,第一种是通常的向后Euler型特征差分格式([60])在三角形网格上的自然运用,第二种采用§3.3、§3.4的离散思想,使用改进的Euler公式代替向后Euler公式来近似特征微分方程,使其对特征线的离散达到了二阶精度。

The basic concept in these sections is replacing backward Euler's method by modified backward Eulers's method to approximate the characteristic differential equation and discretizing the convection-diffusion equation at the middle point of the approximate characteristic curve, which will make the convective term get up to second order accuracy.

这三节的基本离散方法是用改进的Euler公式代替向后Euler公式来近似特征微分方程,并且将近似特征线的中点作为离散节点,使得对流项的离散精度提高到二阶,对于扩散项,将其转移到待求时间层进行离散。

In this paper, a new method used to deal with the motion ability is studied deeply based on Routh-Hurwitz Criterion. The advantage of this kind of analysis method consists in the fact that after establishing the equation in differential calculus for the motion system, there is no need to know a root of the equation, if you know the root signs, you can judge the zero solution stability of the system.

本文利用劳斯-赫尔维茨判据(Routh-Hurwitz Criterion)对机械系统中离心转速调节器的运动德定性进行了分析,这种分析方法的优点就在于:建立系统运动微分方程的特征方程后,不必求解特征方程的根,只需知道根的符号就可判断系统的零解稳定性。

In Chapter 4,we consider the problem of totally characteristic type equation,whose indicial exponent takes positive integers.

在第四章中,我们对全特征型微分方程也讨论了一类不满足第二、三章中定理条件的问题,即对全特征型偏微分方程也考虑了Yamane在文[11]中考虑的问题。

By transforming high - grade gentle lack one type linear differential equation into the linear differential equation of successive integral, the theory and method for the general solutions of this kind of equation are determined.

方程'+=f是高阶线性微分方程,(约定尹0)=刃,是两项和的形式,其特征是含有相同的底,导数的次数相差一阶,因此不妨定义该方程为:高阶和式次数差一型线性微分方程。

In studing methods,partial func-tional differential equations sum up the theories and methods of ordinary differentialequations,partial differential equations,the semigroup theory and the fixed-pointtheory in functional analysis and the basic concepts,theories and methods suit-able for the partial differential equations with delay are formed.

偏泛函微分方程在研究方法上综合了常微分方程的理论方法和泛函分析中算子半群、不动点理论以及偏微分方程的理论方法,并形成了以时滞为基本特征的泛函微分方程的基本概念、理论和方法。

Neutral differential equations with variable sign coefficients are separated into neutral differential equations with positive and negative coefficients by transformation. According to the characteristic of these equations, a real number set with supremum is constructed, and sufficient conditions for oscillation of all solutions to neutral equations with variable sign coefficients are obtained.

通过变换将具有变号系数的中立型微分方程分解为具有正负系数的中立型微分方程;分析具有正负系数中立型微分方程的特征,构造存在上确界的实数集;并对中立型微分方程的解作细致分析,得到了具有变号系数中立型微分方程所有解振动的充分条件。

Neutral differential equations with variable sign coefficients are separatedinto neutral differential equations with positive and negative coefficients bytransformation.According to the characteristic of these equations,a real number setwith supremum is constructed,and sufficient conditions for oscillation of all solutionsto neutral equations with variable sign coefficients are obtained.

通过变换将具有变号系数的中立型微分方程分解为具有正负系数的中立型微分方程;分析具有正负系数中立型微分方程的特征,构造存在上确界的实数集;并对中立型微分方程的解作细致分析,得到了具有变号系数中立型微分方程所有解振动的充分条件。

It is often used to describe problems in dynamics, control theory, bionomics and economics, epidemiology and many other fields either about its experimental or applied aspects, because it can reflect facts more veraciously using the delay differential equations to solute the above problems considering the influence of time and lag sufficiently.

在时滞微分方程的研究方面,从一般的特征方程到超越特征方程,从无参数的微分方程到有参数的微分方程,从无时滞的微分方程到有一个时滞的微分方程直至两个甚至多个时滞的微分方程为题的研究,经历了一个发展相当快的过程。

Curvature is the result of geometric structure in image; a new third order partial differential equation is proposed which transports curvature information along isophotes. The third order POE is morphologically invariant. Helmholtz vorticity equation which annihilates vorticity and third order POE which forward transports curvature information are coupled to be a new model.

曲率是图像几何特征作用的结果,本文提出沿等照度线方向传输曲率信息的三阶形态学不变偏微分方程,并将抑制涡量的无粘亥姆霍兹方程和正向传输曲率信息的三阶偏微分方程耦合。

更多网络解释与特征微分方程相关的网络解释 [注:此内容来源于网络,仅供参考]

characteristic differential equation:特征微分方程

特征微分法|characteristic differentiation | 特征微分方程|characteristic differential equation | 特征线元[素]|characteristic line element

characteristic partial differential equation:特征偏微分方程

特征参数;固有参数 characteristic parameter | 特征偏微分方程 characteristic partial differential equation | 固有(特征)多项式 characteristic polynomial

characteristic line element:特征线元[素]

特征微分方程|characteristic differential equation | 特征线元[素]|characteristic line element | 特征向量|characteristic vector

characteristic parameter:特征参数;固有参数

固有(特征)振动 characteristic oscillations | 特征参数;固有参数 characteristic parameter | 特征偏微分方程 characteristic partial differential equation

characteristic polynomial:固有(特征)多项式

特征偏微分方程 characteristic partial differential equation | 固有(特征)多项式 characteristic polynomial | 固有(特征)二次型 characteristic quadratic form

second order homogeneous linear differential equation with variable coefficient:二阶变系数齐次线性微分方程

二阶常系数齐次线性微分方程 second order homogeneour linear differe... | 二阶变系数齐次线性微分方程 second order homogeneous linear differential equation with variable coefficient | 特征方程 characteris...