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科研机构
北京大学 [26]
内容类型
期刊论文 [16]
其他 [6]
会议论文 [4]
发表日期
2016 [2]
2015 [1]
2014 [2]
2013 [4]
2012 [4]
2011 [2]
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专题:北京大学
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Soil Moisture Retrieval in Agricultural Fields Using Adaptive Model-Based Polarimetric Decomposition of SAR Data
期刊论文
IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2016
He, Lian
;
Panciera, Rocco
;
Tanase, Mihai A.
;
Walker, Jeffrey P.
;
Qin, Qiming
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Agricultural fields
polarimetric decomposition
synthetic aperture radar (SAR) polarimetry
soil moisture
L-BAND SAR
SCATTERING MODEL
SURFACE-ROUGHNESS
MICROWAVE-SCATTERING
RADAR OBSERVATIONS
COHERENCY MATRIX
WHEAT FIELDS
TIME-SERIES
VEGETATION
BACKSCATTERING
Inflow and Retention in OSS Communities with Commercial Involvement: A Case Study of Three Hybrid Projects
期刊论文
ACM TRANSACTIONS ON SOFTWARE ENGINEERING AND METHODOLOGY, 2016
Zhou, Minghui
;
Mockus, Audris
;
Ma, Xiujuan
;
Zhang, Lu
;
Mei, Hong
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Measurement
Human Factors
Hybrid project
commercial involvement
contributor inflow
contributor retention
extent and intensity of involvement
natural experiment
OPEN SOURCE SOFTWARE
BUSINESS MODELS
INNOVATION
MOTIVATION
COMPANIES
STRATEGY
A multi-domain spectral method for time-fractional differential equations
其他
2015-01-01
Chen, Feng
;
Xu, Qinwu
;
Hesthaven, Jan S.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Multi-domain
Spectral
Time-fractional
High-order integration
Three-term-recurrence
General linear method
GINZBURG-LANDAU EQUATION
DIFFUSION-EQUATIONS
ELEMENT METHODS
APPROXIMATIONS
A Generalized Framework Model for the Simulation of Gas Production in Unconventional Gas Reservoirs
期刊论文
spe journal, 2014
Wu, Yu-Shu
;
Li, Jianfang
;
Ding, Didier-Yu
;
Wang, Cong
;
Di, Yuan
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2015/11/16
POROUS-MEDIA
FLUID-FLOW
A generalized framework model for the simulation of gas production in unconventional gas reservoirs
会议论文
Wu, Yu-Shu
;
Li, Jianfang
;
Ding, Didier-Yu
;
Wang, Cong
;
Di, Yuan
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/17
Hybrid preconditioning for iterative diagonalization of ill-conditioned generalized eigenvalue problems in electronic structure calculations
其他
2013-01-01
Cai, Yunfeng
;
Bai, Zhaojun
;
Pask, John E.
;
Sukumar, N.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
Hybrid preconditioning
Iterative diagonalization
Ill conditioned GHEP
Steepest descent method
Electronic structure calculation
FINITE-ELEMENT-METHOD
DIFFERENCE-PSEUDOPOTENTIAL METHOD
DENSITY-FUNCTIONAL THEORY
INDEFINITE SYSTEMS
LINEAR-EQUATIONS
BASIS-SET
ACCELERATION
MATRICES
A generalized hybrid algorithm for bioluminescence tomography
其他
2013-01-01
Shi, Shengkun
;
Mao, Heng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
PERMISSIBLE SOURCE REGION
PET OPET SYSTEM
IMAGE-RECONSTRUCTION
OPTICAL TOMOGRAPHY
GRAPH CUTS
SIMULATION
FEASIBILITY
INFORMATION
MOUSE
Challenges, Designs, and Performances of Large-Scale Open-P2SP Content Distribution
期刊论文
ieee transactions on parallel and distributed systems, 2013
Li, Zhenhua
;
Huang, Yan
;
Liu, Gang
;
Wang, Fuchen
;
Liu, Yunhao
;
Zhang, Zhi-Li
;
Dai, Yafei
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/11
Internet
content distribution
server based
peer-to-peer
P2SP
open-P2SP
Improving eigenpairs of automated multilevel substructuring with subspace iterations
期刊论文
计算机与结构, 2013
Yin, Jiacong
;
Voss, Heinrich
;
Chen, Pu
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/10
Eigenvalue
Eigenvector
AMLS
Subspace iteration
GENERALIZED EIGENPROBLEMS
INVERSE ITERATION
COMPUTATION
Theoretical and numerical assessments of spin-flip time-dependent density functional theory
期刊论文
journal of chemical physics, 2012
Li, Zhendong
;
Liu, Wenjian
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/12
COUPLED-CLUSTER METHODS
INCLUDING TRIPLE EXCITATIONS
TAMM-DANCOFF APPROXIMATION
GAUSSIAN BASIS FUNCTIONS
SELF-CONSISTENT-FIELD
ATOMIC BASIS SETS
FIRST-ROW ATOMS
EXCITED-STATES
MOLECULAR CALCULATIONS
BOND-BREAKING
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