查询词典 finite difference approximation

A 3D finite difference time domain solution was presented and Mur absorbing boundary condition was deduced.

给出了矿井全空间瞬变电磁场的时域有限差分法算法，并推导了Mur吸收边界条件。

Dendrite growth has been simulated with the phase field method and finite difference schemes on a two dimensional rectangular domain with a uniform square mesh.

采用相场模型和有限差分方法，模拟了过冷纯金属熔体的枝晶生长，计算区域为二维正方形均匀网格。

Finite element method is used in fine mesh subinterval, while upwind difference method is used in coarse mesh subinterval.

在细网格区域采用有限元法，在粗网格区域采用迎风差分格式。

Different sweepback sweepback-wing and triangle-wing′s radar cross sectionare computed with finite difference time domain,and the profiles for the RCS are analyzed.

以时域有限差分法计算了不同后掠角的后掠翼和三角翼的雷达散射截面，并对其分布情况进行了分析；计算了不同后掠角的后掠翼和三角翼在多个频段的RCS，并按照不同的威胁判断求出平均值，得出RCS随频率的变化情况。

By using Fourier analysis on the capability of resolution,we conclude that CSCD gives higher resolution,with respect to other symmetric finite difference methods.

从定量角度，利用Fou-rier分析方法分析了CSCD格式的分辨率，并同其他中心型差分格式比较，得出CSCD格式有较高的分辨率的结论。

Compressible ; multi-scales ; super compact symmetric finite difference scheme ; parallel algorithm ; block pipelined method

用分块流水线方法设计了超紧致差分格式的并行算法，进行数值实验及并行性能分析。

The finite difference method is applied to reduce the system of partial differential equations to ordinary differential equations.

采用有限差分方法，将由偏微分方程组描述的空间连续系统约化为由常微分方程组描述的空间离散高维动力系统。

The total internal reflection and the system of photon scanning tunneling microscope are simulated using finite difference time domain method.

采用时域有限差分方法计算全内反射和光子扫描隧道显微镜系统。

In this paper, based on summarizing previous numerical studies on wave transformations, deriving an extended form of mild slope equation, which is taken as the governing equation. The equation simulates wave transformation in offshore area with finite difference.

本文在总结概述前人关于缓坡方程波浪数学模型的基础上，推导出一改进型缓坡方程，并以此为控制方程，采用有限差分方法，模拟近海海域的波浪变形。

Study of the transient response of one-dimensional PSD based on finite difference method.

一维PSD瞬态响应特性的有限差分方法研究。

Effective local search tactics reaches local searchers when they are ready to buy - with every way that it is possible for them to buy from you.

有效的地方搜索策略达到当地的搜索，当他们准备购买-以各种方式，这是他们有可能从您那里进行购买。

The first two are periodic sentences for their beginnings; and the fifth and the last are also periodic sentences each for the embedding of a parenthetic structure.

1960年代中后期，当战后女权主义和当时的许多其他抗议运动在西欧和北美发展成某种势力时，性别的概念演绎成补充和延伸生物性别差异的概念。