first order difference equation是什么意思

用法例句

The Distribution of Zeros of Solutions of First-order Advanced Differential Equations;

一阶时超微分方程解的零点分布

A general form of impedance function of first-order one-port network is represented by two-port parameters.

用二端口网络参数推出了一阶一端口网络阻抗函数的一般形式,分析了各项物理意义,提出了通过计算或测量三个特定一端口电阻电路的等效电阻来求解阻抗函数及其等效电路的三电阻法,它为使用计算机或通过实验测量来确定一阶一端口网络阻抗函数及其等效电路提供了简便易行的方法。

An exact solution was obtained by solving the first-order shear deformation .

根据层合复合材料壳体的一阶剪切变形理论(FSDT),同时求得其精确解和声波方程。

In this paper,we use the coincidence degree theory to establish new results on the existence and uniqueness of T-periodic solutions for the first order neutral functional differential equation of the form(x(t)+Bx(t-δ))′=gl(t,x(t))+g2(t,x(t-τ(t)))+p(t).

利用重合度理论研究并获得了如下一类一阶中立型泛函微分方程T-周期解的存在与唯一性(x(t)+Bx(t-δ))′：g1(t,x(t))+g2(t,x(t-τ(t)))+p(t)。

The time-space bi-m degree discontinuous finite element to solve first order hyperbolic system with variable coefficients is discussed.

讨论变系数一阶双曲组的时空双m次间断有限元解。

This paper studies the oscillatory behaviour of a class of the first order linear functionaldifferential equations and obtains some sufficient conditions for the oscillation of all solutions ofthe equations.

在本文中，作者研究了一类一阶线性泛函微分方程的振动性质，获得了一些使方程的所有解振动的充分条件。

Methods:First derivative spectrometry was established.

方法:采用一阶导数分光光度法,测定波长为275nm和317nm。

Ply-level failure probability is evaluated by the first order reliability method.

初始缺陷和强度参数为设计变量 ,采用一阶矩法计算单元层的失效概率 。

Determination of the content of allantoin in allantoin-vitamin E cream by zero-crossing first-derivative spectrophotometry;

零交一阶导数分光光度法测定尿囊素维E乳膏中尿囊素含量

Objective To observe the application of the amplitude and the latency of P_1 wave in the course of primary retinitis pigmentosa(RP)by first kernel response(FOK)of multifocal electroretinogram(mfERG).

目的探讨多焦视网膜电图(multifocal elec-troretinogram,mfERG)一阶反应(first kernel response,FOK)P1波中振幅和潜伏期在原发性视网膜色素变性(retinitispig-mentosa,RP)病程中的应用研究。