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科研机构
北京大学 [28]
内容类型
期刊论文 [15]
其他 [11]
会议论文 [2]
发表日期
2017 [5]
2016 [5]
2015 [6]
2014 [1]
2013 [2]
2012 [2]
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专题:北京大学
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基于PSR框架的内蒙古自治区土壤保持服务分区
期刊论文
生态学报, 2017
彭建
;
武文欢
;
刘焱序
;
胡熠娜
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
土壤保持服务
RUSLE模型
RWEQ模型
SOFM神经网络
内蒙古自治区
soil conservation service
RUSLE model
RWEQ model
SOFM neural network
Inner Mongolia Autonomous Region
A land-indicator-based optimization model with trading mechanism in wetland ecosystem under uncertainty
期刊论文
ECOLOGICAL INDICATORS, 2017
Zeng, X. T.
;
Zhao, J. Y.
;
Yang, X. L.
;
Wang, X.
;
Xu, C. W.
;
Cui, L.
;
Zhou, Y.
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Fuzzy programming
Stochastic programming
Hurwicz criterion
Wetland ecosystem
Land utilization plan
Trading-oriented mechanism
Uncertainty
Sustainability
WATER-RESOURCES MANAGEMENT
LAS BATUECAS-SIERRA
SUSTAINABLE DEVELOPMENT
PROGRAMMING-MODELS
HURWICZ CRITERION
FUZZY
SYSTEMS
CHINA
PROTECTION
FLOODPLAIN
Performance Evaluation of the WRF-Chem Model with Different Physical Parameterization Schemes during an Extremely High PM2.5 Pollution Episode in Beijing
期刊论文
AEROSOL AND AIR QUALITY RESEARCH, 2017
Chen, Dongsheng
;
Xie, Xin
;
Zhou, Ying
;
Lang, Jianlei
;
Xu, Tingting
;
Yang, Nan
;
Zhao, Yuehua
;
Liu, Xiangxue
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Heavy haze pollution
Numerical simulation
Physical parameterization schemes
ATMOSPHERIC BOUNDARY-LAYER
REGIONAL AIR-QUALITY
LAKE-MICHIGAN OZONE
PREDICTIONS
SENSITIVITY
WRF/CHEM
AEROSOL
RADIATION
ENSEMBLE
SYSTEM
Protect Non-volatile Memory from Wear-out Attack based on Timing Difference of Row Buffer Hit/Miss
其他
2017-01-01
Mao, Haiyu
;
Zhang, Xian
;
Sun, Guangyu
;
Shu, Jiwu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
PHASE-CHANGE MEMORY
LIFETIME
Power Distortion Optimization for Uncoded Linear Transformed Transmission of Images and Videos
期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2017
Xiong, Ruiqin
;
Zhang, Jian
;
Wu, Feng
;
Xu, Jizheng
;
Gao, Wen
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Image and video transmission
wireless video broadcast
uncoded transmission
decorrelation transform
power distortion optimization
signal energy modeling
UNEQUAL ERROR PROTECTION
WIRELESS VISUAL COMMUNICATION
NOISY CHANNELS
PROGRESSIVE TRANSMISSION
LIMITED RETRANSMISSION
RATE ALLOCATION
FADING CHANNEL
MOTION
COMPRESSION
FRAMEWORK
A developed fuzzy-stochastic optimization for coordinating human activity and eco-environmental protection in a regional wetland ecosystem under uncertainties
期刊论文
ECOLOGICAL ENGINEERING, 2016
Zeng, X. T.
;
Huang, G. H.
;
Yang, X. L.
;
Wang, X.
;
Fu, H.
;
Li, Y. P.
;
Li, Z.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
A developed fuzzy approximation mixed
stochastic programming (DFAS)
Measure (Me)
Rough set theory (RST)
A regional wetland ecosystem (RWE)
Uncertainty
Water-environment policies
WATER-RESOURCES MANAGEMENT
PROGRAMMING APPROACH
TRADE-OFFS
CHINA
RESTORATION
MODELS
RIVER
SUSTAINABILITY
ALLOCATION
FLOODPLAIN
An unequal error protection scheme for reliable peer-to-peer scalable video streaming
期刊论文
JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION, 2016
Lo, Chi-Wen
;
Zhou, Chao
;
Lin, Chia-Wen
;
Chen, Yung-Chang
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Video streaming
Peer-to-peer streaming
Scalable video coding
Joint source-channel coding
Unequal error protection
NETWORKS
THROUGHPUT
EXTENSION
H.264/AVC
MULTICAST
CONSENSUS
SELECTION
SYSTEMS
MEDIA
Analysis of Decorrelation Transform Gain for Uncoded Wireless Image and Video Communication
期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2016
Xiong, Ruiqin
;
Wu, Feng
;
Xu, Jizheng
;
Fan, Xiaopeng
;
Luo, Chong
;
Gao, Wen
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Uncoded visual communication
image representation
decorrelation transform
power allocation
energy diversity
transform gain
UNEQUAL ERROR PROTECTION
DIGITAL-ANALOG SCHEME
NOISY CHANNELS
PROGRESSIVE TRANSMISSION
LIMITED RETRANSMISSION
VISUAL COMMUNICATION
RATE ALLOCATION
PET PROTECTION
COMPRESSION
STANDARD
Unified management and application method of environmental information based on GeoSOT subdivision grid model
会议论文
Lu, Nan
;
Cheng, Chengqi
;
Zhu, Qi
;
Liu, Ding
;
Yang, Yi
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Assimilation of temperature and hydraulic gradients for quantifying the spatial variability of streambed hydraulics
期刊论文
WATER RESOURCES RESEARCH, 2016
Huang, Xiang
;
Andrews, Charles B.
;
Liu, Jie
;
Yao, Yingying
;
Liu, Chuankun
;
Tyler, Scott W.
;
Selker, John S.
;
Zheng, Chunmiao
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/04
groundwater-surface water interaction
heat transport
DTS
EnKF
EnKS
hyporheic zone
heterogeneity
SURFACE-WATER INTERACTIONS
RIVER-AQUIFER INTERACTIONS
TIME-SERIES
GROUNDWATER DISCHARGE
THERMAL REFUGIA
LOSING STREAM
REACH-SCALE
HEAT
CONDUCTIVITY
TRACER
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