搜索结果: 1-15 共查到“resolution”相关记录1275条 . 查询时间(0.171 秒)
The Global Ecosystem Dynamics Investigation: High-resolution laser ranging of the Earth’s forests and topography
lidar ecosystem structure GEDI biomass
2024/1/22
Obtaining accurate and widespread measurements of the vertical structure of the Earth’s forests has been a long-sought goal for the ecological community. Such observations are critical for accurately ...
Improving the Resolution of GRACE Data for Spatio-Temporal Groundwater Storage Assessment
GRACE GLDAS terrestrial water storage groundwater storage random forest model downscaling
2023/12/7
Groundwater has a significant contribution to water storage and is considered to be one of the sources for agricultural irrigation; industrial; and domestic water use. The Gravity Recovery and Climate...
Astrape: A System for Mapping Severe Abiotic Forest Disturbances Using High Spatial Resolution Satellite Imagery and Unsupervised Classification
astrapeforest disturbanceSentinel-2planetdoveimage segmentation RSGISLibjenksXGBoost
2023/12/6
Severe forest disturbance events are becoming more common due to climate change and many forest managers rely heavily upon airborne surveys to map damage. However, when the damage is extensive, airbor...
Semi-Automated Semantic Segmentation of Arctic Shorelines Using Very High-Resolution Airborne Imagery, Spectral Indices and Weakly Supervised Machine Learning Approaches
land water segmentation remote sensing deep learning sparse labels
2023/12/5
Precise coastal shoreline mapping is essential for monitoring changes in erosion rates, surface hydrology, and ecosystem structure and function. Monitoring water bodies in the Arctic National Wildlife...
Towards resolution of a paradox in plant G-protein signaling
plant G-protein GDP GTP Arabidopsis thaliana dynamic light temperature pest environment
2023/11/30
G-proteins are molecular on–off switches that are involved in transmitting a variety of extracellular signals to their intracellular targets. In animal and yeast systems, the switch property is encode...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Weak multisymplectic spectral integrators with a resolution of Gibbs phenomenon
吉布斯现象 分辨率 弱多辛谱 积分器
2023/4/28
We will report our recent work on weak multisymplectic spectral integrators for a wide range of nonsmooth Hamiltonian partial differential equations, which appear in quite a few physical applications ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Defocusing NLS equation with nonzero background: Soliton resolution in soliton region
非零背景 散焦NLS方程 孤子区域 孤子分辨率
2023/5/5
Consider to the Cauchy problem of the defocusing NLS equation with a nonzero background. With the Dbar generalization of the nonlinear steepest descent method to compute the leading order approximatio...
Credit card-sized device focuses terahertz energy to generate high-resolution images（图）
设备聚焦 太赫兹能量 高分辨率图像
2023/6/9
Researchers have created a device that enables them to electronically steer and focus a beam of terahertz electromagnetic energy with extreme precision. This opens the door to high-resolution, real-ti...
High-resolution temporal dynamic transcriptome landscape reveals a GhCAL-mediated flowering regulatory pathway in cotton (Gossypium hirsutum L.)
棉花开花 相关基因 GhCAL
2024/5/17
本研究利用不同熟性的棉花高分辨率时间动态转录组，鉴定到棉花开花相关基因GhCAL，并对其介导的棉花开花调节途径进行了解析。研究发现GhCAL基因沉默的转基因棉花植株花芽分化和开花时间显著延迟，GhCAL能够与GhAP1-A04/GhAGL6-D09形成异源二聚体，同时调节GhAP1-A04和GhAGL6-D09的表达。GhAP1-A04和GhAGL6-D09沉默的棉花植株也表现出明显的开花延迟。因...
Highest-resolution measurements of asteroid surface temperatures ever obtained from Earth
asteroid belt solar system surface temperature
2021/8/9
A close examination of the millimeter-wavelength emissions from the asteroid Psyche, which NASA intends to visit in 2026, has produced the first temperature map of the object, providing new insight in...
In 2018, Cornell researchers built a high-powered detector that, in combination with an algorithm-driven process called ptychography, set a world record by tripling the resolution of a state-of-the-ar...
High-resolution ocean model looks at sea turtles' lost years（图）
High-resolution ocean model looks sea turtles lost years
2021/3/26
A detailed global ocean model simulation by scientists at the National Center for Atmospheric Research and other institutions has given scientists insights into where baby sea turtles may go...
2021年古生物、精时地层及化石能源国际研讨会（International Conference on Palaeobiology, High Resolution Stratigraphy and Fossil Energy ）
2021年 古生物 精时地层 化石能源 国际研讨会
2021/2/26
To celebrate the 70th Anniversary of Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences (NIGPAS), the International Conference on Palaeobiology, High Resolution Stra...
北京大学国际关系学院王栋老师在国际权威期刊The Journal of Conflict Resolution发表论文（图）
北京大学国际关系学院 王栋 国际权威期刊 政治学 国际关系
2020/8/20
我院副教授王栋于2020年7月29日在The Journal of Conflict Resolution在线发表（第一作者）英文论文“The Effect of Imagined Social Contact on Chinese Students’ Perceptions of Japanese People” (https://doi.org/10.1177/0022002720942824...
Influence of Drone Altitude, Image Overlap, and Optical Sensor Resolution on Multi-View Reconstruction of Forest Images
UAV drone-based remote sensing geometric image resolution multi-view reconstruction reconstruction efficiency reconstruction quality structure from motion precision forestry
2024/2/4
Recent technical advances in drones make them increasingly relevant and important tools for forest measurements. However, information on how to optimally set flight parameters and choose sensor resolu...