1) cirrus intortus
乱卷云
2) cirrus
[英]['sɪrəs] [美]['sɪrəs]
卷云
1.
Lidar observations of cirrus clouds over Hefei;
合肥地区卷云的激光雷达探测
2.
A method to determine averaged lidar ratio in high-altitude thin cirrus;
高层薄卷云消光后向散射比的求解方法
3.
In this paper, textural features of several types of cirrus have been analyzed using gray level coocurrence matrix approach.
用灰度共生矩阵方法分析了几种卷云的纹理特征，同时探讨了卷云与中低云、积云群、积雨云纹理特征的异同和相互区分的方法。
3) cirrus cloud
卷云
1.
Observations of cirrus clouds using polarization Mie lidar
偏振-米散射激光雷达对卷云的探测
2.
This text is mainly about the design of a system of Polarization Lidar, which has been developed for measuring profiles of de- polarization ratio of cirrus clouds in day and night.
本文主要讨论一种偏振激光雷达系统的总体设计方案,应用于白天和夜晚卷云后向散射光退偏振比的探测研究。
4) cirrus clouds
卷云
1.
Simulation study on the reflectance of cirrus clouds at the wavelength of 1.064μm;
1.064μm波长卷云反射率的模拟研究
5) scattered point cloud
散乱点云
1.
Data preprocessing technique of scattered point cloud in reverse engineering;
反求工程中散乱点云的数据预处理技术
2.
Simplification of scattered point cloud with geometric feature reservation
保留几何特征的散乱点云简化方法
3.
The measurement of scattered point cloud data is the foundation of surface reconstruction of a 3D object.
散乱点云数据的测量是三维物体曲面重建的前提和基础。
6) scattered points
散乱点云
1.
A novel algorithm based on scanning step d for speeding up the process to find the all k nearest neighbors of scattered points was presented.
该算法根据三维测量原理,综合考虑了测量数据的密度ρ和测量误差δ,给出了散乱点云数据的临界搜索半径r,极大地缩小了k近邻的搜索区域。
2.
A new reduction algorithm for scattered points based on local surface feature was proposed.
提出一种基于局部型面特征的散乱点云精简算法,该算法采用R*-tree建立点云动态空间索引结构,基于该结构快速准确获取点云局部型面参考数据;采用自由曲面逼近该数据并估算该数据的曲率,依据曲率分布状况精简点云数据。
补充资料：卷云
| 卷云 cirrus 云底离地面高度一般在6000米以上的云。 属高云族。云体具有丝缕状结构，个体分离散乱，常呈白色，无暗影，有柔丝一般的光泽，系冰晶构成的冰云。常呈丝条状、马尾状、羽毛状、钩状、团簇状、片状、砧状等。日出之前、日落之后，在阳光的照射下，常呈鲜明的黄色或橙色。卷云见晕的机会较少，且不完整。冬季，在中国北方或西部高原上卷云云底高度较低，有时可降微量零星的雪。卷云又可分为毛卷云、密卷云、钩卷云和伪卷云。大多系高空对流的产物。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条