查询词典 delta

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。

The system point spread function is designed to be similar to the Dirac delta function. The experimental results and the theoretical calculation of the PSF are in accordance. The experiments on absorbers embedded in the intralipid solution with concentration of 1% and depth of 1.7 cm are implemented.

用菲涅耳波带板扫描全息成像系统进行了成像实验，得到了嵌埋在浓度为1%、深度为1.7 cm的脂肪乳剂中的吸收体清晰的再现像，吸收体为直径0.4 mm的金属丝和内径为6.0 mm的金属环，另外，也得到了直径为2.5 mm的黑塑料球的再现像。

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。

The nature of the culture formation in Pearl caver Delta is seeking function and benefit. Its characteristic is commercial vulgar culture, Its structure consists of four factors: the culture of south of the Five Ridges, the culture of HongKong and Macao and the culture of the Western countries.

珠江三角洲文化形态论纲戢斗勇摘要珠江三角洲文化形态的性质是务实求利；其特征是商业俗文化；其结构由岭南文化、中原文化、港澳文化和西方文化四因素构成；其地位是有中国特色的社会主义新文化的"曙光"，是中华民族大一统文化的"中介"。

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。

Impacts of sea level rise on coastal erosion in the Changjiang Delta and North Jiangsu coastal plain.

海平面上升对长江三角洲和苏北滨海平原海岸侵蚀的可能影响。

Landscape pattern analysis of the delta plain.

2陆上三角洲景观格局分析。

Vast desert plateau,along the Nile valley and delta is flood plain.

广阔的沙漠高原，沿尼罗河及三角洲是泛滥平原。

Clay minerals in 15 surficial samples and 5 profile samples from the Yangtze Delta plain were analyzed by X-ray diffraction.

采用XRD研究了长江三角洲地区15个表层样品和5个剖面样品中的粘土矿物。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。