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科研机构
北京大学 [196]
内容类型
期刊论文 [90]
其他 [87]
会议论文 [19]
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2017 [10]
2016 [15]
2015 [19]
2014 [17]
2013 [11]
2012 [12]
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专题:北京大学
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An Extension of the Alpha Approximation Method for Soil Moisture Estimation Using Time-Series SAR Data Over Bare Soil Surfaces
期刊论文
IEEE GEOSCIENCE AND REMOTE SENSING LETTERS, 2017
He, Lian
;
Qin, Qiming
;
Panciera, Rocco
;
Tanase, Mihai
;
Walker, Jeffrey P.
;
Hong, Yang
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Bare surface
soil moisture
synthetic aperture radar (SAR)
time series
SCATTERING MODEL
RADAR DATA
RETRIEVAL
ROUGHNESS
Randomized algorithms for high quality treatment planning in volumetric modulated arc therapy
其他
2017-01-01
Yang, Yu
;
Dong, Bin
;
Wen, Zaiwen
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
volumetric modulated arc therapy
greedy algorithm
gradient projection
random sampling
importance sampling
GRADIENT METHODS
IMRT
OPTIMIZATION
The maximally symmetric surfaces in the 3-torus
其他
2017-01-01
Bai, Sheng
;
Robins, Vanessa
;
Wang, Chao
;
Wang, Shicheng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Maximal surface symmetry
Triply periodic minimal surfaces
Knotted surfaces in the 3-torus
Efficient SimRank-Based Similarity Join
期刊论文
ACM TRANSACTIONS ON DATABASE SYSTEMS, 2017
Zheng, Weiguo
;
Zou, Lei
;
Chen, Lei
;
Zhao, Dongyan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Similarity
SimRank
upper bound
index-based computation
LARGE NETWORKS
VERTEX COVER
LARGE GRAPHS
SEARCH
OPTIMIZATION
APPROXIMATE
COMPUTATION
QUERIES
On the Performance of X-Duplex Relaying
期刊论文
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 2017
Li, Shuai
;
Zhou, Mingxin
;
Wu, Jianjun
;
Song, Lingyang
;
Li, Yonghui
;
Li, Hongbin
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Full duplex
mode selection
power allocation
amplify-and-forward relaying
LIMITED DYNAMIC-RANGE
INTERFERENCE CANCELLATION
SELF-INTERFERENCE
ACHIEVABLE RATES
DIVERSITY
Optimal Power Allocation in Spatial Modulation Systems
期刊论文
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, 2017
Shi, Yabo
;
Ma, Meng
;
Yang, Yuli
;
Jiao, Bingli
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Spatial modulation (SM)
mutual information
power allocation
capacity maximization
CHANNEL ESTIMATION
INFORMATION
Influence Maximization in Trajectory Databases
期刊论文
IEEE TRANSACTIONS ON KNOWLEDGE AND DATA ENGINEERING, 2017
Guo, Long
;
Zhang, Dongxiang
;
Cong, Gao
;
Wu, Wei
;
Tan, Kian-Lee
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Influence maximization
trajectory databases
location-aware advertising
Analytical and statistical investigation on structural fluctuations induced radiation in photonic crystal slabs
期刊论文
OPTICS EXPRESS, 2017
Ni, Liangfu
;
Jin, Jicheng
;
Peng, Chao
;
Li, Zhengbin
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
SURFACE-EMITTING LASERS
COUPLED-WAVE ANALYSIS
TRANSVERSE-ELECTRIC POLARIZATION
GUIDED MODE RESONANCE
BOUND-STATES
SPONTANEOUS-EMISSION
CONTINUUM
LIGHT
Collaborative Smartphone Sensing Using Overlapping Coalition Formation Games
期刊论文
IEEE TRANSACTIONS ON MOBILE COMPUTING, 2017
Di, Boya
;
Wang, Tianyu
;
Song, Lingyang
;
Han, Zhu
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Smartphone sensing
incentive mechanism
overlapping coalition formation games
WIRELESS NETWORKS
RELAY
Generalized Precoding-Aided Quadrature Spatial Modulation
期刊论文
IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2017
Li, Jun
;
Wen, Miaowen
;
Cheng, Xiang
;
Yan, Yier
;
Song, Sangseob
;
Lee, Moon Ho
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Average bit error probability (ABEP)
multiple-input multiple-output (MIMO)
precoding
quadrature spatial modulation (QSM)
PERFORMANCE ANALYSIS
CHANNELS
SYSTEMS
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