时间变量
- 网络Time variable;time-invariant
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直线运动时间变量的取值范围&对速度函数v(t)与时间变量t的定义域分析一文的补充
The Range of Time Variable of Line Movement
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Sobolev方程的间断时间变量的Galerkin有限元方法
The Time Discontinuous Galerkin Finite Element Methods for the Sobolev Equations
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如果把标量场X看作时间变量,则可得到宇宙的最可机半轻为Planck长度,这说明宇宙是量子力学稳定的。
If the scalar to be quantum mechanically stabilized with a most probable radius of the planck length .
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在此基础上,依据具有时迟效应的Logistic模型,分别利用温度、日照时数的累积代替Logistic模型的时间变量对其进行改进,再结合栽培因子和气象影响模型构建综合模拟模型。
The Logistic model with time - lag effect was improved by substituting accumulate temperature and sun - times for variable t in it .
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但现有GIS本质上都是静态系统,不仅无法完善地表达时间变量及时空拓扑,也没有提供充足的时空分析功能。
But most of current GISs are static in essence , they cannot represent temporal information and temporal topology , and have not rich functionality of multitemporal analysis .
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然后在这一模型下,将未知时间变量扩展为随机变量,采用基于最大后验概率估计(MaximumaPos-terioriEstimation,MAP)的方法进行统计时间推理。
In the model , the reasoning algorithm about time instants has been derived from treating the unknown temporal variable as random variable and introducing MAP estimation into temporal reasoning .
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Levy过程可以分解为时间变量、布朗运动和纯跳Levy过程的线性组合。
A Levy process can be written as a linear combination of time t. a Brownian motion and a pure jump Levy process .
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对时间变量采用向后Euler格式,对空间变量采用mortar元近似。得到L2模及能量模误差估计。
The L2 norm and energy norm error estimates are derived for the backward Euler scheme in time variable and the mortar element approximation in the space variables .
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壳体的三个位移函数首先沿环向展开为Fourier级数,由此得到解耦的偏微分方程,它包括一个空间变量和一个时间变量。
In this method , three shell displacements are first expanded in Fourier series in the circumferential direction , then an infinite number of decoupled partial differential equations containing a spatial variable and a time variable are obtained .
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然后对空间变量和时间变量分别进行Fourier变换和Laplace变换,利用逆变换褶积积分,得到了弹性地基无限长梁一般动力问题的解析解。
By using Fourier transformation for space variable , Laplace transformation for time variable and convolution theorem for their inverse transformations , a general solution for dynamical problem of infinite beam on an elastic foundation is obtained .
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时域有限差分法(Finite-DifferenceTime-DomainMethod)是一种重要的数值方法,它把带时间变量的Maxwell微分方程转化为差分方程,然后求解电磁场各分量。
Finite-difference Time-domain ( FDTD ) method is a kind of important method in numerical calculation . It transforms the Maxwell differential equation with time variant to difference equation so as to find the solution of the electromagnetic field problem .
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本文针对这种现象通过对浅水弱非线性Boussinesq方程,讨论界面波由于反射效应产生的反射波与入射波的非线性相互作用,得出了一个不受时间变量制约的不传播非线性二阶驻波解。
In this paper , a standing wave solution has been made by nonlinear interaction of reflection wave and incident wave , thus producing a second order wave solution with Boussinesq equation .
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然后,本文分析了使用基于Laguerre多项式的阶数步进法(MOO,marching-on-in-order),它在求解时域电场积分方程时,可以将时间变量从中分离出来。
Secondly , by the marching-on-in-order ( MOO ) algorithm with Laguerre polynomials , time domain electric field integral equation can be solved without the time variables .
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用Boltzmann统计状态熵度量怪引子的展开程度,从而提出选取延迟时间变量的第一极大熵准则。
The Boltzmann 's entropy is used to measure the spreading extent of strange attractors in this paper . The first local maximum of entropy function is suggested as a criterion for selecting delay time in reconstruction of strange attractors .
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分析了系统的自由横向谐振动,借助Kantorovich平均法消去时间变量,将偏微分控制方程转化为非线性常微分方程边值问题。
Then , considering harmonic vibrations of the system , the non linear partial differential equations are converted into ordinary differential equations through elimination of the time variable by using the Kantorovich time averaging method .
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首先对连续时间变量用Galerkin变分方法导出对流扩散方程的有限元方程,它是关于时间变量的一阶线性常微分方程,进而求解该方程组,完成求解对流扩散方程的全过程。
By Galerkin 's variation method of continuous time variable , the finite element equation of CDE is derived . It is a system of first-order ordinary differential equations with respect to time variable . Solving this system of equations , we yield whole process of solving CDE .
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本研究则考虑了时间变量,建立了气固颗粒反应的瞬态模型,并通过对模型中偏微分方程的离散化处理,开发了一个有界Wegstein数值求解方法。
In this paper , taking time as a variable , non catalysed gas solid reaction models were developed in a transient nature .
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Kirilov的基于极大似然估计(Maxi-mumLikelihoodEstimation,MLE)的推理方法将未知时间变量看作常数,估计方差较大。
The approach based on Maximum Likeihood ( MLE ) treats the unknown temporal variable as a constant , which generates a larger estimate variance , In this paper , the relation model of known temporal information and unknown temporal variable has been established .
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考虑时间变量时单十字万向节的运动学研究
Kinematic Analysis of the Single Universal Joint with Time-dependent deviation angle
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热传导方程时间变量的双参数化
The bi - time - parameter representation of equation of heat conduction
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热动力学时间变量法&简单级数化学反应
Time Variable Method of Thermokinetics Chemical Reactions with Simple Order
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含时间变量的凝胶溶胶分配方程及其应用
Gel - sol distribution equations with time and Its Applications
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时间变量上整体呈递增趋势,称长时功效。
Learning performance was better with time , which is named long time efficacy .
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研究非线性振动的双时间变量正则摄动法
Canonical double variables perturbation method for nonlinear vibrations
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引入时间变量的创新产品价格演变模型研究
A Research on Evolving Model of Innovated Product Prices with Introduction of Time Variable
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从多元化到成本领先:基本战略演进的逻辑&交易费用、风险、时间变量及合约选择的一种解说
From Pluralization to Cost Leading : the Logic of the Evolution of Basic Strategy
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文章介绍了根据时间变量,进行盈亏分析的计算方法。
The calculating method used in the analysis is also introduced in the essay .
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一种基于时间变量的产品开发管理流程模型
A Model Based on Time for Product-Developing-Management
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用霍尔开关测量刚体转动惯量实验中的时间变量
Measure the variable time with Hall switch in the experiment of moment of inertia of rigid body
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时间变量对员工态度和行为的影响:人际支持的中介作用
The Effect of Temporal Variables on Employees Attitudes and Behavior : The Mediating Effect of Interpersonal Support