讨论了计算二维静电场的非正交有限差分算法，给出了数值计算公式。
A finite difference method in non orthogonal curvilinear coordinate is used for the simulation of two dimensional electrostatic field. The computational formula is derived.
基于时域有限差分算法，提出了一种新的电力电缆电磁瞬态分析的计算模型。
Based on the finite difference time-domain (FDTD) method, a novel model is presented for transient analysis of power cable system.
建立了考虑列车管泄漏的连续性方程，给出一种求解压力速度耦合方程的显式有限差分算法。
We have established the continuity equations under train pipe leakage condition and presented an explicit finite difference method to solve the pressure-velocity coupling equations.
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。
The control model for coiling temperature based on finite difference method is developed, and how to choose the time and space step is introduced.
提出了基于时域有限差分算法的计算无限大导体和介质薄片电磁屏蔽效能的电磁场数值计算方法。
An electromagnetic field numerical method is put forward to analyze shielding effectiveness of the infinite thin conductor and dielectric sheet based on the FDTD.
当在频率-空间域进行计算时，相对于纯粹的时间-空间域有限差分算法有计算效率高、成像方便的优点。
Contrasted with the methods in time space domain, this one has high computation efficiency and is prone to image, because all its computation is in frequency space domain.
该方法通过应用多个时间步长替代传统非均匀时域有限差分(NU - FDTD)法的单一时间步长的算法来提高计算速度。
The algorithm USES multi-time steps to replace single time step in traditional non-uniform finite-difference time-domain (NU-FDTD) method to enhance the computing speed.
时域有限差分（FDTD）算法被广泛地用于模拟电磁场的传播。
The finite-different time-domain(FDTD) method has been widely used to simulate the transient solutions of electromagnetic wave propagation.
引入应力、应变和位移等矢量概念，将元胞自动机模型与有限元方法结合起来，建立了差分形式的PCA有限元算法，尝试从矢量的角度模拟岩石的变形及破坏问题。
The CA model and FEM are combined, then the differential PCA-FEM algorithm is set up, which attempts to simulate the deformation and failure of rock in the sense of vector.
跨音速计算采用守恒型金位势方程，精确边界条件和AF 2高效有限差分迭代算法。
The transonic flow computation is performed by the use of conservative full-potential equation with exact boundary conditions and the efficient iteration scheme in finite difference method AF2.
提出了一种新型的分步有限差分(SSFD)算法来求解非线性锁模脉冲传输方程。
A novel numerical algorithm SSFD (split-step finite difference) has been presented for solving nonlinear pulse propagation equation.
通过与有限差分计算的频散曲线的比较验证了算法和程序的正确性。
The method is validated by comparing the results obtained by this method with those obtained by the finite-difference method.
它很容易用有限差分方法及SOR算法求解。
The latter problem is solved easily to use the finite - difference method and the SOR arithmetic.
本文通过对各种算法的比对，选择了适用于本课题模型的电磁散射计算方法—时域有限差分方法(FDTD)。
In this paper, through comparing various algorithms, Finite-Difference Time-Domain method (FDTD) for electric waves is selected for calculation which is applicable to this subject.
本论文的研究内容围绕时域有限差分方法(FDTD)的改进算法一时域多分辨分析(MRTD)算法展开。
This paper focused on the improved algorithm of finite difference time domain (FDTD) method, which is named multi-resolution time domain (MRTD).
分析了时域有限差分(FDTD)网格的生成原理，提出了一种新型非均匀FDTD网格生成算法。
The principle of generating FDTD (Finite Difference Time Domain) grid is analysed, and an improved arithmetic for generating nonuniform FDTD grid is presented.
介绍时域有限差分（FDTD）法计算准八木天线驻波比的算法实现方法。
The Finite Difference Time Domain(FDTD) method was used to calculate the Voltage Standing Wave Ratio(VSWR) of a quasi-Yagi antenna.
目前在超宽带地面回波计算中所使用的FDTD（时域有限差分）算法计算量较大或者存在较大误差。
FDTD(Finite Difference of Time Domain) algorithms applied in ground echo calculation at present have the disadvantages of slow speed or large errors.
四分量紧凑格式二维频域有限差分（2-DCFDFD）算法，是求解理想导波结构传输特性的有效方法之一。
The compact 4-component 2-D finite-difference frequency-domain algorithm (2-D CFDFD) is one of the effective methods to calculate the propagation properties of ideal guided wave structures.
四分量紧凑格式二维频域有限差分（2-DCFDFD）算法，是求解理想导波结构传输特性的有效方法之一。
The compact 4-component 2-D finite-difference frequency-domain algorithm (2-D CFDFD) is one of the effective methods to calculate the propagation properties of ideal guided wave structures.
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