搜索结果: 1-15 共查到“理学 Q-set”相关记录225条 . 查询时间(0.093 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:Maximizing Approximately Non-k-Submodular Monotone Set Function with Matroid Constraint
最大化 矩阵约束 近似非k子模 单调集函数
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2023/5/12
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars:The level-set percolation of Gaussian free field
高斯自由场 水平 集渗流
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2023/5/17
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars: The level-set percolation of Gaussian free field
高斯自由场 水平集渗流 随机交错
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2023/5/18
![](http://www.firstlight.cn/upload/imgfile/20236/5/20236517610504.jpg)
Microbes and minerals may have set off Earth’s oxygenation(图)
微生物 矿物质 地球 氧合
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2023/6/5
![](http://www.firstlight.cn/upload/imgfile/20213/5/20213515463350.jpg)
Can super-Earths' interior dynamics set the table for habitability?(图)
super-Earths interior dynamics set habitability
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2021/3/5
New research led by Yingwei Fei of the Carnegie Institution for Science provides a framework for understanding the interiors of super-Earths -- rocky exoplanets between 1.5 and 2 times the s...
![](http://www.firstlight.cn/upload/imgfile/202010/10/2020101011033166.jpg)
Researchers set to take to the air above the Arctic and New York City(图)
air above Arctic New York City
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2020/10/10
Atmospheric scientists are embarking on two new research projects supported by the U.S. National Science Foundation that involve using sophisticated planes to understand the atmospheric chemistry and ...
![](http://www.firstlight.cn/upload/imgfile/201911/22/20191122105120645.jpg)
Scientists set sail on expedition to investigate 'Iceberg Alley' off Antarctica(图)
Scientists set expedition investigate Iceberg Alley Antarctica
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2019/11/22
The 5.4 million-square-mile Antarctic Ice Sheet is the greatest mass of fresh water on Earth. If it all were to melt, it would raise global sea levels some 220 feet. Searching for answers to how fast ...
EFFECT OF THE TRAINING SET CONFIGURATION ON SENTINEL-2-BASED URBAN LOCAL CLIMATE ZONE CLASSIFICATION
Label Noise Canonical Correlation Forests (CCFs) Local Climate Zones (LCZs) Sentinel-2 Spectral features Classification Open Street Map (OSM)
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2018/6/4
As any supervised classification procedure, also Local Climate Zone (LCZ) mapping requires reliable reference data. These are usually created manually and inevitably include label noise, caused by the...
COASTLINE DETECTION USING FUSION OF OVER SEGMENTATION AND DISTANCE REGULARIZATION LEVEL SET EVOLUTION
Coastline DRLSE FOOS K-means Clustering Sea-land Segmentation Wavelet Transform
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2018/4/18
Coastline detection is a very challenging task in optical remote sensing. However the majority of commonly used methods have been developed for low to medium resolution without specification of the ke...
COASTLINE DETECTION USING FUSION OF OVER SEGMENTATION AND DISTANCE REGULARIZATION LEVEL SET EVOLUTION
Coastline DRLSE FOOS K-means Clustering Sea-land Segmentation Wavelet Transform
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2018/5/8
Coastline detection is a very challenging task in optical remote sensing. However the majority of commonly used methods have been developed for low to medium resolution without specification of the ke...
![](http://www.firstlight.cn/upload/imgfile/201710/25/20171025105614929.jpg)
World’s most advanced shipborne radar ready to set sail(图)
World most advanced shipborne radar set sail
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2017/10/25
In mid-October, Steven Rutledge will sail to the intertropical convergence zone near the Equator aboard a 300-foot vessel called the R/V Roger Revelle.It’s not a vacation cruise. Rutledge, professor o...
![](http://www.firstlight.cn/upload/imgfile/20179/19/2017919154424699.jpg)
Researchers Set New Bar For Water-Splitting,CO2-Splitting Techniques(图)
Researchers New Bar Water-Splitting CO2-Splitting Techniques
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2017/9/19
We report iron-containing mixed-oxide nanocomposites as highly effective redox materials for thermochemical CO2-splitting and methane partial oxidation in a cyclic redox scheme, where methane was intr...
![](http://www.firstlight.cn/upload/imgfile/20179/4/201794155858941.jpg)
UCF Researchers Set Record for Fastest Light Pulse— Again(图)
UCF Researchers Set Record Fastest Light Pulse
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2017/9/4
A research team at the University of Central Florida has demonstrated the fastest light pulse ever developed, a 53-attosecond X-ray flash.The group led by Professor Zenghu Chang beat its own record se...
Can an ancient ocean shoreline set the stage for a tropical forest of today?
ancient ocean shoreline set the stage tropical forest
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2017/7/24
Find related stories on NSF's Critical Zone Observatory Sites. Find related stories on NSF's Long-Term Ecological Research Sites.Could an ancient ocean shoreline determine what a tropical forest looks...
昆明理工大学理学院概率论与数理统计课件Chapter 0 An Introduction to Set Theory
昆明理工大学理学院 概率论与数理统计 课件 Chapter 0 An Introduction to Set Theory
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2017/4/17
昆明理工大学理学院概率论与数理统计课件Chapter 0 An Introduction to Set Theory.