查询词典 scattering

In order to ensure the accuracy and reliability of NDT,theories about acoustic wave scattering from rough surfaces were studied.

为保证超声无损评价检测的准确性和可靠性，本文研究了粗糙界面的声波散射理论。

After water treated by LVEF, the scaling ions in the water will be transformed into active fine crystal nucleus which scattering in the treated water by the electric field. These crystal nucleuses have lower surface energy and greater active surface area.

水经低压电场处理后，水中成垢离子会优先在电场中析出并形成活性微晶核分散在处理水中，这些微晶核具有较高的表面能和较大的活性表面，它们更容易吸引水中的成垢离子，从而阻止在换热表面形成垢核并继续长大，从而达到阻垢的目的。

In Chapter 4 windowed function of data signal processing is introduced and applied to addition theorem, which succeeds in solving the difficult problem: it has a bad result when recursive T-matrix is applied to calculate the wave scattering of electrically large objects and multiple objects in the excitation of TE wave.

在第四章中引入数字信号处理中的窗函数，成功解决了在入射波为TE波时，用递推T矩阵法计算电大尺寸物体或多个散射体时，精度不高的问题。

The potential functions of incident and scattered waves were expanded into Fourier-Bessel series, and the coefficients of scattering waves field were determined by imposing continuity conditions of stress and displacement at the soil-pile interfaces with the help of a set of cylindrical coordinate systems and in accordance with the Graff's addition theorem.

将倾斜入射波和散射坡的势函数展开成Fourier-Bessel函数的无穷级数的形式，利用一组圆柱坐标系统和Graff加法转换定理，通过施加桩土界面处的应力和位移连续的边界条件，求解出散射波势函数的待定系数，进而得到饱和土体中任意点的位移和应力。

Also using the exterior expression for the Graf′s addition theorem, the exact solution for scattering of plane SH waves by circular arc alluvial valley is presented in the paper. From the numerical results the complex effect of the depth-to-width ratio of the alluvial valley on the surface ground motion is found.

利用Graf加法公式的外域型表达，本文还给出了任意圆弧型沉积盆地出平面散射的精确级数解答，提供了大量数值结果并指出了盆地深宽比对地面运动的复杂影响作用。

Large rare gas clusters of Ar〓, Kr〓, and Xe〓 and hydrogen clusters were produced in the process of supersonic adiabatic expansion. Rayleigh scattering method is used to diagnose the cluster size.

大尺寸惰性气体原子团簇和氢分子团簇喷流的制备和诊断利用高背压惰性气体和高背压低温氢气经锥形喷嘴向真空超声绝热膨胀来产生团簇，用Rayleigh散射方法诊断团簇尺寸及团簇喷流的时间特性。

Random screen ; light scattering ; self\|affine fractal surface

随机散射屏；光散射；自仿射分形表面

One application of the model is to calculate the angular distribution of the scattering light by a single air bubble.

该模型可应用于光在水中单个气泡上散射的数值计算。

Method of Moment is a method which can discretize continuity equation into algebraic equations, and it is one of the most popular methods in analyzing the electromagnetic radiation and scattering problems.

矩量法是一种将连续方程离散化为代数方程组的方法，是分析电磁散射与辐射题目最流行的算法之一。

The SucceSs of Rutherford's theory of alpha particle scattering giveshim the distinction of having discovered the atomic nucleus.

由于卢瑟福成功地提出了Ot粒子散射理论，人们将发现原子核的荣誉归功于他。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。