差分法

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。

Based on the limitation and tightness of computational time, it is concluded that the neighborhood of the equation solution is solvable under the condition of open solvable set.

研究了用差分法求解自治的发展方程时稳定性和收敛性这两个基本概念之间的联系，利用计算时间的有限性和紧致性，在可解集为开集的条件下，得出方程解的邻近也可解的结论。

The heat transfer model of the spur gear used in the high speed train is established, and solved by using the finite differential method. The influence of the immersion depth on the equilibrium temperature is analyzed by using this model.

并建立齿轮箱的传热模型，采用有限差分法，在模型验证有效的基础上，计算分析了不同浸油深度对齿轮箱平衡温度场的影响。

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 combining symmetric difference method,a tracking method for moving targets with moving camera is established.

将此算法和对称差分法结合，给出了一种动摄像机的运动目标跟踪方法，以复杂场景下的人为跟踪目标进行了实验，取得了不错的跟踪效果。

Based on the model, the gas non-dimension Reynolds equation is listed and studied by the two-dimensional Taylor formula and limited difference method.

根据模型，列出了簧片下气体运动的无量纲雷诺方程，并利用二维泰勒展开式和有限差分法对其进行了分析。

Firstly, the system of coupled first-order differential equations of the generalized telegrapher's equations was converted to a system of second-order differential equations.

首先，将时域耦合波方程组的关于轴向z的一阶关联偏微分方程组形式化为二阶偏微分方程组形式；然后采用时域有限差分法"预测-校正"方式对其进行求解。

In this paper the different methods ti find general term formulas of power series sum functions,by means of which coefficients are higher arithmetical of geometrical sequence .

利用差分法导出了求幂级数和函数的一个通项公式，用它能求出系数为高阶等差数列和高阶等比数列的幂级数∑∞n=0 anxn的和函数

On the basis of thermal transmission theory,the thermal balance equation has been founded.

以传热学的基本理论为基础，建立了热平衡方程，采用完全隐式差分法对FTSR薄板坯连铸连轧生产线上隧道炉，轧制及冷却过程中的板坯中心温度和表面温度变化进行了模拟。

In order to understand the application of opposite vertical pyramidal tip s in single molecule damnification and measuring system,enhancement of opposite vertical pyramidal tip s was analyzed and computed.

为了探索对顶四面锥尖在分子损伤和检测中的应用，利用处理色散介质的时域有限差分法(FD2TD计算和分析了对顶四面锥尖之间的光增强，研究了不同锥体长度和激励光波长对光增强的影响。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。