雨滴

用雷达反射因子Z和雨强I估算雨滴谱的方法

A method for deducing raindrop size distribution by reflectivity factor and rainfall rate

用双线偏振雷达的差分反射率Z（DR）技术测量降雨和雨滴谱的研究

Study on rainfall measurement and raindrop spectra with differential reflectivity Z _ ( dr ) technique of dual linear polarization radar

雨滴沥滴沥下个不停。

The rain pattered on and on .

雨滴一多就形成阵雨。

Many drops make a shower .

雨滴撞到了他的脸。

Drops of rain struck his face .

当许多水粒凝聚在一起时，它们就变成了雨滴。随后，雨滴的重量使得自己迅速落到了地面。

When a number of these water-specks join together , they form a drop of rain , and then the weight of this rain-drop makes it come pattering quickly to the earth .

因此，水蒸气首先变成了非常细小的水粒——也就是我们所说的水雾——并构成了云朵，然后这些水粒汇聚在一起成为了雨滴。

So the water-vapour is first changed into those very tiny specks of liquid water which have been called water-dust , and appears as clouds ; and then these specks of water join together to form drops of rain .

K分布雨滴谱的应用

The Application of K - distributed Rain Drop Size Spectrum

基于改进BP神经网络的坡面雨滴溅蚀量研究

Study of rain plash - erosion on the slope by artificial neural network

哈尔滨地区雨滴直径分布函数樟树苗期直径结构Weibull分布的研究

RAINDROPS SPECTRUM IN HARBIN Estimating Diameter Distribution with the Weibull Distribution Function

基于OpenGL的区域采样法雨滴水波实时三维仿真。

Simulation of raindrops and ripples in 3D with method of region segmentation based on OpenGL .

川鄂连蕊茶种群的生殖分配是地径大小的函数，拟合回归方程为：雨滴谱分布函数的选择：M-P和Gamma分布的对比研究

Comparative study of exponential and gamma functional fits to observed raindrop size distribution

为实现雨滴、雾滴等大气粒子的非接触测量，设计了一种采用线阵CMOS图像传感器的粒子测量系统。

In order to realize untouchable measurement of raindrops and fogdrops , Particle Measurement System which based on linear CMOS image sensor was designed .

雨滴Q.如果一场暴雨中所有的水分都汇聚成一颗巨大的水珠并从天上掉下来会发生什么？

RAINDROP Q. What if a rainstorm dropped all of its water in a single giant drop ?

椭球雨滴和冰雹在5cm波段的散射偏振性质

Polarized scattering properties of Spheroidal Raindrops and hails for 5 cm band

文章基于Fourier合成技术对雨滴下落产生的水波这一特殊物理现象进行了计算机动画合成。

On the basis of Fourier Synthesis , this paper realizes a special animation procedure , that is the transformation state of the waves when raindrop falling into water .

在计算雨滴终速时，比较好的计算方法为Beard经验公式法，沙玉清公式（及修正的牛顿公式）法。

Better formulas calculating raindrop terminal velocity were Beard experience formula , Sha Yuqing formula ( and revised Newton formula ) .

用OpenGL的三角形图元及纹理坐标功能显示雨滴水波，用其纹理映射技术映射雨滴场景，实现三维真实感效果。

The other is raindrops and ripples are showed by triangles , texture coordinate , texture mapping in OpenGL with three - dimensional scene .

基于CorelDRAW软件的小流域模型雨滴测量试验研究

Measurement of raindrop distribution of watershed model using corelDRAW

结果表明，林冠降雨的雨滴直径（D，mm）大小分布即雨谱基本不受空旷地降雨类型和强度的影响，表现出相当稳定的特征。

The study showed , that the raindrop size ( D , raindrop diameter , mm ) distribution is basically not influenced by the type and intensity of rainfall in open field , i. e.

林冠降雨单位水体雨滴动能随降落高度降低而减小的程度表现为在0～5m范围内最强烈；

The raindrop kinetic energy per unit canopy rainfall decreases with falling height markedly in the range of 0 ~ 5m ;

本文第一次用一种非高斯分布的概率模型K分布描述了雨滴尺寸分布的数密度。

In this article , the K-distributed rain drop size spectrum is first described and used as a probability mode to calculate the rainy attenuation , the phase shift rate and the depolarization discrimination of radio waves .

当降雨高度大于5m时，坡面流泥沙含量随雨滴打击强度的增加而降低。

When the rainfall splash height was more than 5 meters , it would drop with the higher rainfall splash height increased .

计算分析了雨强、雨滴谱、气溶胶粒子PH值，以及SO2、NH3气体浓度等因子对清除系数的影响。

The influences of the rain intensity , size distribution of raindrops , pH of aerosols , concentration of SO 2 and NH 3 on the rain scavenging coefficients are discussed .

以加密观测的多普勒雷达、3小时探空、10～30分钟雨强、地面雨滴谱等间隔取样及在GPS引导下的飞机云物理探测等获取的三维高时空密度的综合探测为主体；

Three-dimensional high-density space / time soundings serve as the main body of data consisting of 3-hr interval Doppler probings , 10-30 min rainfall intensity , surface raindrop sizes sampling and GPS-guided flight cloud physics detections with output taken at 2-sec and 200-m intervals .

单降雨实验中，当降雨高度小于5m时，无论雨强大小，坡面流泥沙含量随雨滴打击强度的增加而增加；

During the single rainfall experiment , when the rainfall splash height was less than 5 meters , the overland flow sediment contain would add with the lower rainfall splash height increased ;

另一方面NO3与N2O5和雨滴或气溶胶颗粒物发生的异相反应则是大气中氮氧化合物NOx（NO，NO2）的主要清除过程，从而可以减轻对流层臭氧污染。

Besides , the heterogeneous reactions of NO_3 and N_2O_5 in aerosol and rainwater are the main scavenging processes of NO_x in atmosphere , alleviating the ozone pollution in troposphere .

再次，本论文中将车窗平面分成网格，以格子为基本单元给出了雨滴滑动的模拟方法；运用OpenGL平台实现了雨滴在车窗上滑动后留下的轨迹。

Again , plane of train window will be divided into several lattices . To lattice as the basic unit , papers give a measure that raindrop move on train window . Using OpenGL platform draw the track left by raindrop sliding .

降雨强度控制范围12.8mm/h～84mm/h，雨滴直径大小及其分布与自然降雨相似。有效降雨面积1.6m~2～8m~2，降雨均匀度均在80%以上，局部达到98%。

Rainfall intensity control range from 12.8mm/h to 84.0mm / h , rainfall uniformity are above 80 % , partly achieve 98 % .

单个雨滴颗粒经图像处理即可达到处理要求，但对于粘连颗粒主要采用Canny边缘检测算法对雨滴颗粒边缘检测，利用改进的Hough变换检测圆参数，提取类圆雨滴颗粒的半径及圆心。

Single raindrops granule with image processing can achieve the processing requirements , and the adhesion particles mainly adopt the Canny of raindrops particle edge detection algorithm to edge detection . The improved Hough transform to detect round parameters , to extract particle radius and the raindrops circular circle .