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科研机构
北京大学 [89]
内容类型
期刊论文 [81]
其他 [7]
会议论文 [1]
发表日期
2017 [3]
2016 [9]
2015 [9]
2014 [5]
2013 [5]
2012 [5]
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专题:北京大学
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Estimation of canopy carotenoid content of winter wheat using multi-angle hyperspectral data
期刊论文
ADVANCES IN SPACE RESEARCH, 2017
Kong, Weiping
;
Huang, Wenjiang
;
Liu, Jiangui
;
Chen, Pengfei
;
Qin, Qiming
;
Ye, Huichun
;
Peng, Dailiang
;
Dong, Yingying
;
Mortimer, A. Hugh
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Multi-angle
Hyperspectral data
Vegetation index
Spectral feature
Canopy carotenoid content
Agriculture
REMOTE-SENSING DATA
LEAF-AREA INDEX
VEGETATION INDEXES
CHLOROPHYLL CONTENT
REFLECTANCE SPECTROSCOPY
PRECISION AGRICULTURE
CHRIS/PROBA DATA
PLANT-LEAVES
GREEN LAI
VALIDATION
Zipf's Law in Passwords
期刊论文
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY, 2017
Wang, Ding
;
Cheng, Haibo
;
Wang, Ping
;
Huang, Xinyi
;
Jian, Gaopeng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
User authentication
password distribution
Zipf&apos
strength metric
password policy
SECURITY
DISTRIBUTIONS
s law
Hybrid Laplace Distribution-Based Low Complexity Rate-Distortion Optimized Quantization
期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2017
Cui, Jing
;
Wang, Shanshe
;
Wang, Shiqi
;
Zhang, Xinfeng
;
Ma, Siwei
;
Gao, Wen
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
HEVC
rate distortion optimized quantization
transform coefficient
hybrid laplace distribution
rate model
low complexity
SOFT DECISION QUANTIZATION
H.264/AVC
IMPLEMENTATION
Spatial distribution of forest aboveground biomass in China: Estimation through combination of spaceborne lidar, optical imagery, and forest inventory data
期刊论文
REMOTE SENSING OF ENVIRONMENT, 2016
Su, Yanjun
;
Guo, Qinghua
;
Xue, Baolin
;
Hu, Tianyu
;
Alvarez, Otto
;
Tao, Shengli
;
Fang, Jingyun
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Forest aboveground biomass
GIAS/ICESat
Lidar
Ground inventory
China
SMALL-FOOTPRINT LIDAR
LEAF-AREA INDEX
LANDSAT TM DATA
RADAR BACKSCATTER
CARBON BALANCE
CLIMATE-CHANGE
BRAZILIAN AMAZON
DECIDUOUS FOREST
BOREAL FOREST
GREEN PROGRAM
VIIRS-based remote sensing estimation of ground-level PM2.5 concentrations in Beijing-Tianjin-Hebei: A spatiotemporal statistical model
期刊论文
REMOTE SENSING OF ENVIRONMENT, 2016
Wu, Jiansheng
;
Yao, Fei
;
Li, Weifeng
;
Si, Menglin
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
PM2.5
VIIRS AOD
NO2
Time fixed effects regression model
Geographically weighted regression
Beijing-Tianjin-Hebei
FINE PARTICULATE MATTER
LAND-USE REGRESSION
GEOGRAPHICALLY WEIGHTED REGRESSION
LONG-TERM EXPOSURE
AIR-POLLUTION
QUALITY
SPACE
CHINA
MODIS
Mapping Global Forest Aboveground Biomass with Spaceborne LiDAR, Optical Imagery, and Forest Inventory Data
期刊论文
REMOTE SENSING, 2016
Hu, Tianyu
;
Su, Yanjun
;
Xue, Baolin
;
Liu, Jin
;
Zhao, Xiaoqian
;
Fang, Jingyun
;
Guo, Qinghua
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
global
forest
aboveground biomass
remote sensing
LiDAR
TROPICAL RAIN-FOREST
SMALL-FOOTPRINT LIDAR
SATELLITE DATA
BOREAL FOREST
CARBON STOCKS
AMAZONIAN FORESTS
RADAR BACKSCATTER
BIOSPHERE MODEL
AIRBORNE LIDAR
CLIMATE-CHANGE
Spatial distribution of forest aboveground biomass in China: Estimation through combination of spaceborne lidar, optical imagery, and forest inventory data
其他
2016-01-01
Su, Yanjun
;
Guo, Qinghua
;
Xue, Baolin
;
Hu, Tianyu
;
Alvarez, Otto
;
Tao, Shengli
;
Fang, Jingyun
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
Forest aboveground biomass
GIAS/ICESat
Lidar
Ground inventory
China
SMALL-FOOTPRINT LIDAR
LEAF-AREA INDEX
LANDSAT TM DATA
RADAR BACKSCATTER
CARBON BALANCE
CLIMATE-CHANGE
BRAZILIAN AMAZON
DECIDUOUS FOREST
BOREAL FOREST
GREEN PROGRAM
植被叶片叶绿素含量反演的光谱尺度效应研究
期刊论文
光谱学与光谱分析, 2016
姜海玲
;
张立福
;
杨杭
;
陈小平
;
童庆禧
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
光谱指数
植被叶片叶绿素含量
辐射传输
光谱响应
尺度效应
Spectral indices
Vegetation leaf chlorophyll content
Radiative transfer
Spectral response
Spectral scale effect
PATTERN DECOMPOSITION METHOD
PRECISION AGRICULTURE
HYPERSPECTRAL DATA
AREA INDEX
VALIDATION
REFLECTANCE
HYPERION
LAI
New inspiration on effective development of tight reservoir in secondary exploitation by using rock mechanics method
期刊论文
ENERGY EXPLORATION & EXPLOITATION, 2016
Du, Shuheng
;
Shi, Yongmin
;
Guan, Ping
;
Zhang, Yuguang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Rock mechanics
tight reservoir
microscopic anisotropy
secondary exploitation
pore pressure
confining pressure
in-situ condition
GAS-DIFFUSION
POROUS-MEDIA
PROPAGATION
PARAMETERS
ANISOTROPY
INVERSION
FIELD
WAVE
Synthesis and Characterization of Reduced Graphene Oxide-Supported Nanoscale Zero-Valent Iron (nZVI/rGO) Composites Used for Pb(II) Removal
期刊论文
MATERIALS, 2016
Fan, Mingyi
;
Li, Tongjun
;
Hu, Jiwei
;
Cao, Rensheng
;
Wu, Qing
;
Wei, Xionghui
;
Li, Lingyun
;
Shi, Xuedan
;
Ruan, Wenqian
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/04
Pb(II) ions
nanoscale zero-valent iron
graphene
removal
response surface methodology
RESPONSE-SURFACE METHODOLOGY
AQUEOUS-SOLUTION
EXPERIMENTAL-DESIGN
ACTIVATED CARBON
ZEROVALENT IRON
MALACHITE GREEN
OPTIMIZATION
ADSORPTION
NANOPARTICLES
WATER
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