finite difference
英 [ˈfaɪnaɪt ˈdɪfrəns]
美 [ˈfaɪnaɪt ˈdɪfrəns]
有限差（分法）；有限差数
双语例句
- Numerical method is used to study dynamic characteristics of dual-wavelength femtosecond lasers and finite difference is used to solve cross mode-locking equations.
采用有限差分方法对双波长飞秒激光器的锁模方程进行了数值分析，得到了不同参数下交叉锁模脉冲的数值解。 - Using finite difference method, we carry out the numerical calculation of the electric field induced by a low frequency magnetic field in a two dimensional stratified biological medium.
采用有限差分法对低频磁场在二维分层生物媒质中诱发的电场进行了数值计算。 - The eigenvalue problem is discretized and solved in a four-order precision finite difference scheme.
所获得的特征值问题由一个四阶精度的有限差分离散求解。 - Research on Finite Difference Method for Singular Perturbed Boundary Value Problem on Adaptive Grids
关于奇异摄动边值问题自适应网格有限差分法的研究 - Energy band characteristic of two-dimensional photonic crystal is analyzed through finite difference time domain and Bloch boundary method.
利用频域有限差分方法分析了两种二维磁性光子晶体结构（方形和圆形空气孔结构）的模场分布和有效折射率。 - A numerical model was established for analysis of their effects, and the problems were solved by use of finite difference method.
建立了地面新施工荷载对地铁隧道的影响分析计算模型，并采用有限差分法进行了求解。 - A semi-implicit finite difference model for non-hydrostatic3D free surface flows is analyzed and discussed.
利用半隐式有限差分方法对非静水压强假设下的三维自由面流动问题进行模拟与讨论。 - The impedance bandwidth, radiation patterns and gain of the proposed antenna are studied by using the Finite Difference Time Domain ( FDTD) method.
通过时域有限差分（FDTD）方法的数值仿真，对天线的阻抗特性、方向图、增益进行了研究。 - Stability and Attractability of Periodic Solutions for a Coupled Finite Difference Reaction Diffusion System with Time Delays
一类时滞反应扩散差分系统周期解的稳定性和吸引性 - In this article, a finite difference solution using offset meshes is derived for "entire-tangent" TDEFIE.
本文采用偏置网格的有限差分方法数值求解“全切向”TDEFIE。 - The unified elastoplastic finite difference method is used to simulate the true triaxial tests on soft clay.
主要内容为运用统一弹塑性有限差分方法，对软土的真三轴试验进行了模拟分析。 - In this paper the error caused by grinding heat is analyzed by using methods of finite element and finite difference, and the theory datas are contrasted.
本文利用有限差分和有限元两种方法对磨削热引起的误差进行了分析，并对理论数据进行了对比。 - The electromagnetic characteristics of rectangular microstrip antenna is simulated by using finite difference time domain ( FD TD) method.
运用时域有限差分法（FDTD）实现了对矩形微带贴片天线电磁特性的仿真。 - This article uses a finite difference time domain method to study the two-dimensional sound field characteristics of elastic solids based on elastic solid equations.
对弹性固体中的声场方程应用时域有限差分法，进行了二维声场特性研究。 - The comparison of the calculation time between the streamline simulation technique and the finite difference method also confirms that streamline simulation technique has better simulation velocity.
在流线模拟技术与有限差分方法运算时间的比较中，也证实流线模拟技术具有更快的运算速度。 - In this paper, an, implicit finite difference scheme is constructed for the initial-boundary value problem of a generalized Regularized Long-Wave equation.
本文对广义正则长波方程的初边值问题提出了&个隐式差分格式，该格式合理地模拟了方程本身所具有的两个守恒律。 - Numerical method for retaining structures based on coupled finite difference method and discrete element method
基于有限差分与离散元耦合的支挡结构数值计算方法 - In the article, the fully discrete finite difference scheme for a special nonlinear reaction-diffusion equation is established.
对一类特殊的非线性反应扩散方程进行完全离散，得到非线性的有限差分格式。 - By means of finite difference methods, the numerical analysis is carried out on the static performance of hemispherical spiral groove aerodynamic bearings, and the discussion on the computed results.
运用有限差分法对圆锥形螺旋槽气体动压轴承的静特性进行了数值计算，并对计算结果进行了分析。 - In this grid, a finite difference method is used to disperse the differential equation to the equations of temperature field first.
在此网格中，先用有限差分法使微分方程离散，得出关于温度的方程组； - Finite Difference Method and Numerical Simulation of Stochastic Partial Differential Equations
有限差分方法与随机偏微分方程的数值模拟 - There are two methods for the key of heat exchange: finite element and finite difference.
对于导热问题的求解常用两种方法：有限差分法和有限元法。 - Then the new function space is introduced and the stability problem for the finite difference scheme is discussed by means of variational approximation method in this function space.
然后引入新的函数空间，并在这个空间上，采用变分近似法讨论了该格式的稳定性问题。 - By using a full-hidden finite difference method a numerical calculation was conducted of the above-cited model.
采用全隐式有限差分方法对模型进行了数值计算。 - The slope stability is simulated and analyzed by finite difference program FLAC software and strength reduction theory.
将强度折减理论与FLAC软件相结合，利用有限差分程序FLAC软件来模拟分析边坡稳定性。 - The control model for coiling temperature based on finite difference method is developed, and how to choose the time and space step is introduced.
开发了一种基于有限差分算法的卷取温度控制模型，并介绍了时间和空间步长参数的选取方法。 - Time integration of an initial value problem uses the finite difference scheme quite often.
初值问题的时间积分经常采用差分近似。 - A basic model of hybrid bearing lubrication mechanism is established based on Reynolds equation and flow continuity equation and those equations are solved by using finite difference method.
以雷诺方程和流量连续方程为基础建立了液体动静压轴承润滑机理的基本模型，利用有限差分法来求解雷诺方程和流量连续方程。 - Using the finite difference method we calculate the distribution of the electromagnetic field.
利用有限差分法实现了其正演计算，获得了电磁场的分布。 - The boundary treatment of the fourth-order compact finite difference scheme for the incompressible Navier-Stokes equations;
针对地理信息系统地图数据量大的问题，提出了多分辨分析数据压缩和边界处理方法。