查询词典 delta function

Yangtze River Delta port cluster cooperation objective should be to establish a world-class in the Yangtze River Delta port function

长三角港口群合作的目标应该是在长三角建立世界级的功能大港

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 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。

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。

We studied the influence of single magnetic impurity on the spin orientation of an incident electron, the scattering barrier can be expressed by the Rashba Hamitonian and delta function.

研究局域化磁性杂质引发的散射势对入射电子自旋取向的影响，该势可用Rashbah哈密顿项表示。

Firstly, we use Gaussian kernel function to replace the Dirac delta kernel function, and embed the re-sampling into filtering to eliminate the impoverishment problem of the standard particle filter.

2为了解决光线变化的情况下，以及发生旋转、平移和尺度变化等姿态变化的运动目标的鲁棒跟踪问题，提出了一种基于自适应观测模型的粒子滤波跟踪算法。

This thesis will be expanded from two aspects: first, delta-sequence obtained by cubic spline interpolation cardinal function showed the properties of symmetry, Riesz basis and interpolation. Non linear convection diffusion equation (Burgers′equation) was used as an example. Then we modified this delta-sequence to improve the attenuation, the same example was used in numerical application.

在小波方法与PDE算法相结合方面，本文主要从两方面入手：首先是以样条插值基函数为基础构造δ-序列核，以非线性对流扩散方程为例给出了一种数值算法；进而对三次样条插值基函数进行改进，构造新的具有更快衰减性质的δ-序列核，同样以非线性对流扩散方程为例验证了新函数在数值求解中的有效性。

In the near future, the Yangtze River Delta inter-city passenger line will be electrified with the existing, modified speed line together, constitute a major city in the region covered by the multi-function, multi-level, inter-city rapid-transit passenger Net, so as to the formation of Shanghai, Nanjing, Hangzhou as the center of the "1-2 hour traffic circle", radiation and medium-sized cities in the Yangtze River Delta to promote the integration of the city.

在不久的将来，长三角地区城际客运专线将与既有电气化、提速改造线路一起，构成覆盖区域内主要城市的多功能、多层次、公交化城际快速客运网，形成以上海、南京、杭州为中心的&1－2小时交通圈&，辐射长三角大中城市，推动城市间的融合。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。