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陕西师范大学在2D钙钛矿动力学研究中取得重要进展（图）
陕西师范大学 2D钙钛矿动力学
2019/3/1
针对ACI 2D钙钛矿成膜动力学问题，我校材料科学与工程学院刘生忠教授和赵奎副教授团队采用反溶剂辅助法和热旋涂法来控制无序溶胶-凝胶前驱体向晶相的动力学转变，并研究了这一动力学过程如何影响薄膜形貌及其光伏性能。研究人员通过实时追踪技术揭示了一个复杂的成膜过程，即无序溶胶-凝胶前驱体-中间相-最终ACI 2D钙钛矿，热退火过程部分GA2PbI4中间相解体，形成ACI和1D GAPbI3钙钛矿,GA2...
华中科技大学机械学院刘世元团队利用自主研制的光谱椭偏仪揭示2D-MoS2介电函数的层数依赖规律（图）
华中科技大学机械学院 刘世元 自主研制 光谱椭偏仪 2D-MoS2介电 函数 层数依赖规律
2019/1/18
2018年12月3日，知名光学期刊Advanced Optical Materials在线刊发了机械学院刘世元教授纳米光学测量团队关于二维硫化钼介电函数光学测量分析的最新成果“晶圆级二维硫化钼层数依赖的介电函数研究”（Layer-Dependent Dielectric Function of Wafer-Scale 2D MoS2）。机械学院博士研究生宋宝坤和博士后研究员谷洪刚为论文共同第一作者...
1D-2D MODELING OF URBAN FLOODS AND RISK MAP GENERATION FOR THE PART OF HYDERABAD CITY
Stormwater Urban Flood Modeling Zone XIII SWMM PCSWMM
2019/2/27
Space for water is now becoming guiding principle of urban planning because urban flooding is the major problem facing by most of the cities in India. Urban development in developing countries like In...
COMBINED VISUAL EXPLORATION OF 2D GROUND RADAR AND 3D POINT CLOUD DATA FOR ROAD ENVIRONMENTS
Ground Penetrating Radar 3D Point Cloud Infrastructure Maintenance
2018/11/9
Ground-penetrating 2D radar scans are captured in road environments for examination of pavement condition and below-ground variations such as lowerings and developing pot-holes. 3D point clouds captur...
TESTING THE IMPACT OF 2D GENERALISATION ON 3D MODELS – EXPLORING ANALYSIS OPTIONS WITH AN OFF-THE-SHELF SOFTWARE PACKAGE
3D generalisation 3D models 3D buildings simplification aggregation performance
2018/11/9
Popularity and diverse use of 3D city models has increased exponentially in the past few years, providing a more realistic impression and understanding of cities. Often, 3D city models are created by ...
A NEW PROTOCOL FOR TEXTURE MAPPING PROCESS AND 2D REPRESENTATION OF RUPESTRIAN ARCHITECTURE
Rupestrian Architecture Hypogea Laser Scanner Image Projections Equidistant Multiple Sections
2018/6/4
The development of the survey techniques for architecture and archaeology requires a general review in the methods used for the representation of numerical data. The possibilities offered by data proc...
一种基于CI因子图的多机器人2D地图融合算法
多移动机器人系统 协方差 因子图算法 协方差交叉点算法
2017/11/30
针对地图融合时多机器人位姿估计过程中互协方差未知的问题，提出了一种基于协方差交叉点（covariance intersection，CI）因子图的2D地图融合算法.首先通过坐标变换矩阵实现机器人坐标到全局坐标的转换，然后以最小化非线性性能指标为原则求取局部的估计信息权重，通过算法融合各局部估计信息，计算出融合点的位姿和互协方差.最后通过协方差通用公式，计算出融合点到下一级变量节点的概率约束（协方差...
针对2D/3D点包含判定方法的复杂和低效问题，提出基于点圆理论的方法：分类描述奇异情形在点圆中的投影、叠加特征及判定方法，将3D点包含测试转换为与2D点包含测试一致的算法（除子平面方程系数计算外）。筛选和累加与射线相交的射线以上或以下的线段，据此奇偶性判定3D或2D点包含；解析2D射线与多边形相交连续线段内节点的几何特征，即y坐标要么都大于、要么都小于测试点，构建高效2D点包含增量筛选射线法。实验...
PHOTOGRAMMETRIC TECHNIQUES FOR ANALYSIS AND VISUALIZATION OF CHANGES IN 2D AND 3D DATA: PLASTIC SURGERY APPLICATION
Photogrammetry 3Dreconstruction shape changes visualization human body texturing data fusion
2017/6/19
Accurate measurements of 3D scenes and change detection of spatial distributed data are of great importance in different areas of research and application. For more accurate data analysis it is useful...
2017年2D材料研讨会（Symposium NM8—2D Materials—Macroscopic Perfection vs. Emerging Nanoscale Functionality）
2017年 2D材料 研讨会
2017/3/10
The development of 2D materials such as graphene, hexagonal boron nitride, transition metal dichalcogenides and other emerging systems toward applications has motivated a strong focus on producing mat...
2017年新兴非石墨烯的二维材料研讨会（Symposium NM1—Emerging Non-Graphene 2D Materials）
2017年 新兴非石墨烯的二维材料 研讨会
2017/3/10
Non-graphene two-dimensional (2D) materials with atomic scale thickness have emerged as a new frontier of material science. In particular, two-dimensional transition metal dichalcogenide (TMDC) materi...
AN INDOOR NAVIGATION APPROACH CONSIDERING OBSTACLES AND SPACE SUBDIVISION OF 2D PLAN
Indoor Navigation Obstacles Space Subdivision Navigation Network Shortest Path 2D Plan
2016/11/8
The demand for indoor navigation is increasingly urgent in many applications such as safe management of underground spaces or location services in complex indoor environment, e.g. shopping centres, ai...
2D高速开关阀结构参数优化设计与实验
高速开关阀 传动机构 快速响应 优化设计
2016/12/23
对高速开关阀的结构参数进行优化设计，以提高其动态响应性能。主要从伺服螺旋机构导控面积的增大、旋转电磁铁转动惯量的降低和将传动机构设计成变传动比3方面进行结构优化和改进。提出斜槽型的阀芯结构以增大伺服螺旋导控级的面积梯度；为降低旋转电磁铁的转动惯量，提高其动态响应，引入6片26°均布结构的旋转电磁铁；为提高力矩输出，改善初始阶段的快速性，提出了变传动比的传动机构，并给出变传动比曲线和力矩变化曲线。在...
EVALUATION OF THE USER STRATEGY ON 2D AND 3D CITY MAPS BASED ON NOVEL SCANPATH COMPARISON METHOD AND GRAPH VISUALIZATION
Eye-tracking User Perception Search Strategy
2016/7/8
The paper is dealing with scanpath comparison of eye-tracking data recorded during case study focused on the evaluation of 2D and 3D city maps. The experiment contained screenshots from three map port...
EXPLORATORY USER STUDY TO EVALUATE THE EFFECT OF STREET NAME CHANGES ON ROUTE PLANNING USING 2D MAPS
Street name changes Eye tracking Route planning
2016/7/8
This paper presents the results of an exploratory user study using 2D maps to observe and analyse the effect of street name changes on prospective route planning. The study is part of a larger researc...