查询词典 delta function

Delta function is a deliberately defined mathematical tool for analysis, which is devoted particularly to illustrating of the physical model of points distribution, and which is widely applied to analyze the high concentration of quality and energy on one point in space or in time in physics.

δ函数是人为定义出来的一种分析工具，正因为它在数学上的简单性，才导致了它在物理上被广泛应用于研究质量、能量在空间或时间上高度集中的各种物理现象。

By solving the Schrodinger equation and using the boundary conditions of delta function, We can get the Buttiker scattering Matrix.

通过解薛定谔方程求得自旋空间的波函数，再由边界条件确定波函数的振幅，进而求出散射矩阵。

And its invention entails basic knowledge of trigonometry, Dirac delta function, and Fourier analysis.

发明此函数需要有扎实的工程数学知识，尤其是三角函数， Dirac delta function ，以及傅立叶分析法。

The formulated shape functions have the property of delta function and the essential boundary conditions can be applied as easy as in conventional finite element method.

然而，在紧支径向基函数点插值方法的实现过程中，仍需要背景积分网格进行辅助计算。

"Impulse response ",If we input a Dirac delta function to this system, the result of the LTI transformation is known as the impulse response.

"，"如果我们给系统输入一个狄拉克δ函数信号，线性时不变转换的结果是脉冲响应。

The Delta Function shown in Figure 3b is among the simplest image manipulations, passing the current pixel through without modification.

图3b 中的 Delta 函数是最简单的图像处理方式中的一种，可以让当前的像素通过而无需修改。

The created shape functions possess the properties of the Kronecker delta function, which allows easy imposition of essential boundary conditions.

而点插值法具有精确的函数拟合性质，且形函数具有Kroneckerdelta函数的特性，使得施加本质边界条件变得简单。

Advanced vibration on the UH-60 Blackhawk or agents of the intuitive control, as well as the map is the function of "Delta Corps" game of the additional features.

先进的振动，对 UH-60 Blackhawk 或特工的直觉控制，以及地图功能是"Delta Corps"游戏的额外特色。

The case study shows that the shape functions and their derivatives of the meshless Kriging interpolation method have the properties of Kronecker delta function.

数值算例结果证明该法构造的形函数具备过点插值性质并且具有很好的曲线拟合特性，是一种非常好的无网格法形函数。

After 1-D approximating of electrostatic fields in the IDT, we give the basic analysis model of IDT: the Delta function model, impulse response model, equivalent circuit model, and the model parameters.

从激励产生SAW的IDT上静电场的一阶近似入手，给出了分析IDT的基本模型：δ函数模型、脉冲响应模型、等效电路模型，给出了各模型的基本特点与参数。

Pachomius manual labour was organized as an essential part of the monastic life; and since it is a principle of the monks as distinguished from the mendicants, that the body shall be self-supporting, external work of one sort or another has been an inevitable part of the life ever since.

根据圣pachomius体力劳动组织作为一个重要组成部分寺院生活；以来，这是一个原则的和尚，作为有别于乞丐，该机构应自支撑，对外工作的这种或那种已一个必然的一部分，生活至今。

In order to study the effects of parametrical rolling on the ship movement and tilts, in allusion to ship's navigating in regular following waves, the equation of ship rolling motion is transformed into normal Mathieu equation by proper variable replacement when strong parametrical excitation in restoring moment varied according to sine or cosine wave.

为研究参数横摇对船舶运动和倾覆的影响，通过对船在规则波上随浪航行时，恢复力矩中出现的1个以正余弦规律变化的强参数激励项进行适当的变量置换，将船舶的横摇运动方程转换成标准形式的Mathieu方程。