numerical equation的例句大全

a numerical equation for wave equation migration is derived from fitting method principle and the pattern.

本文从拟合法原理及其模式出发，独立地给出一个波动方程偏移数值方程。

Numerical solution of Poisson equation with non-uniform mesh finite difference scheme

泊松方程非等间距有限差分的数值求解方法

The hydrodynamic equations are solved and, simultaneously, the two dimensional advection diffusion equation is solved by using Alternating Direction Implicit method. The numerical solutions have been tested by comparing observed and computed values of water level, and tidal velocity.

根据课题组的二维潮流污染扩散数学模型，选取合适的参数，采用ADI法（Alternating Direction Implicit Method）求解潮流污染扩散方程，并对数值模拟结果进行了水位以及流速的验证。

In the numerical analysis way, by using the boundary layer theory established the theoretical equation of friction coefficient calculation formula.

在数值分析方面利用边界层理论建立了摩擦系数计算公式的理论方程。

The generalized kink waves of the short pulse equation were studied by the qualitative theory of ordinary differential equations and numerical simulation method.

用微分方程定性理论结合数值模拟方法研究了窄脉冲方程的广义扭结波。

By using the bifurcation theory of dynamic system and the method of numerical simulation of differential equation, the model of compressible elastic rod has been studied.

用动力系统分支理论和微分方程数值算法研究了压缩弹性杆模型。

The optimal control method to analyze the stability of soil slopes is presented by combining with finite element method, theory of limit equilibrium, numerical analysis method of ordinary differential equation and theory of optimal control.

结合有限元法、极限平衡理论、常微分方程的数值解法和最优控制理论等，提出用于土坡稳定的最优控制分析法。

This paper firstly introduces the theory of the calculation of crosstalk among lines, including basic principle of Finite Difference Time Domain Method, grid partition, numerical stability and absorbing boundary conditions, telegraph equation of transmission lines and the calculation of unit length parameter matrices.

论文先介绍了研究串扰问题的理论基础，包括时域有限差分法的基本原理、网格划分、数值稳定性和吸收边界条件以及多导体传输线理论的电报方程和单位长度参数矩阵的计算。

Based on the conservation equation of energy, the changing curve of cooling capacity with the outdoor temperature and maximum value were obtained after numerical computing.

在质量守恒、动量守恒、能量守恒方程的基础上，进行数值求解，得出了自然循环的制冷量随室外温度与机组冷剂充灌量的变化曲线。

According to the discrete material balance equation of control volume, a new numerical scheme based on PEBI grid and CVFE grid is provided, where absolute permeability is in tensor form.

根据所建立的单个控制体离散形式的物质平衡方程，基于PEBI和CVFE网格，采用任意形式的渗透率张量，建立了相应的数值算法。

The numerical results were obtained in a table by solving the combined equation of transmission line impedance transfer equation and terminal input impedance expression in gas capacitance.

通过解传输线阻抗转移公式和终端输入阻抗的气隙电容表达式的联立方程得出了数值结果。

In numerical calculation, an explicit forward finite element technique is applied in the two-dimensional flow equation, and an explicit direct finite difference technique in the thermodiffusion equation.

在数值计算中，对二维水流方程采用显式迎流有限元方法，对平面热扩散方程采用显式直接差分法，并对这两种方法进行了耦合计算。

To study the mechanism of heap leaching process, Single rank inverse Broyden iterative method is applied to find the solution for nonlinear infiltrates surface equation and satisfying numerical results are obtained.

为研究堆浸工艺的机理，用逆Broyden秩1迭代公式寻求浸润面非线性方程的数值解，得到了满意的数值结果。

The predictor-corrector methods to determine Manning coefficient in the 2-D tidal wave movement equation is put up through the regression theory of numerical model and prototype.

通过数学模型和原型的相关理论推导了二维潮波运动方程中曼宁系数的预估校正法。

Discussed commonly used probability statistical distribution and numerical computing methods for solving mathematic problem ( such as non-linear equation and numerical integration, etc.), which offered scientific basis for fetching value of the data;

讨论了常用的概率统计分布和解决数学问题的数值计算方法（解非线性方程和数值积分等），为数据的取值提供科学依据；

A set of one-dimensional regular integral equations is derived for calculating the dynamic response of elastic layer on stiff foundation under time harmonic surface vertical concentrated load. And the numerical solution of the integral equation is obtained.

导出了刚性基础上的弹性层在表面垂直集中简谐载荷作用下动力响应问题的一维非奇异积分方程组，并求得了数值解。

Numerical solutions of ordinary equation can naturally arise EPCA. At the same time, numerical solutions of delay differential equation can also give birth to EPCA.

常微分方程的数值求解可以自然的产生EPCA，时滞微分方程的数值求解也可以产生EPCA。

By using reflection free acoustic wave equation and finite difference numerical solution, zero offset time section may be produced to avoid interbed multiples.

本文根据无反射声波方程，采用有限差分数值解法，实现了自激自收时间剖面的制作，避免了层间多次波的产生。

A varying time step explicit numerical integration algorithm for solving motion equation

求解运动方程的一种不等时间步长的显式数值积分方法

The Helmholtz equation is an elliptic partial differential equation which is a time-harmonic solution of the wave equation. Obtaining an efficient and more accurate numerical solution for the Helmholtz equation has been the subject of many studies.

亥姆霍兹方程是一个波方程的时间调和解答，寻求高精度的数值解一直是计算力学界研究的主题。