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科研机构
北京大学 [21]
内容类型
期刊论文 [21]
发表日期
2017 [21]
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共21条,第1-10条
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发表日期:2017
内容类型:期刊论文
专题:北京大学
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Street as a big geo-data assembly and analysis unit in urban studies: A case study using Beijing taxi data
期刊论文
APPLIED GEOGRAPHY, 2017
Zhu, Di
;
Wang, Ninghua
;
Wu, Lun
;
Liu, Yu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Street
Linear unit
Spatio-temporal pattern
Big geo-data
Urban study
SPACE SYNTAX
LAND-USE
COMPUTATIONAL METHOD
NETWORK
ALGORITHMS
PATTERNS
POINTS
CITIES
SCALE
TIME
城市手机用户移动轨迹时空熵特征分析
期刊论文
武汉大学学报(信息科学版), 2017
康朝贵
;
刘瑜
;
邬伦
收藏
  |  
浏览/下载:109/0
  |  
提交时间:2017/12/03
手机话单
个体轨迹
活动提取
出行模式
时空熵
call detailed records
digital traces
displacement identification
mobility patterns
trajectory entropy
Fast action retrieval from videos via feature disaggregation
期刊论文
COMPUTER VISION AND IMAGE UNDERSTANDING, 2017
Qin, Jie
;
Liu, Li
;
Yu, Mengyang
;
Wang, Yunhong
;
Shao, Ling
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Similarity search
Video retrieval
Feature disaggregation
Learning based hashing
ACTION RECOGNITION
QUANTIZATION
SEARCH
基于行业专有词典的TF-IDF特征选择算法改进
期刊论文
计算机应用与软件, 2017
张齐勋
;
刘宏志
;
刘诗祥
;
贾堂
;
曹健
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
行业专有词典
特征空间
特征选择算法
TF-IDF
Industry proprietary dictionary
TF-IDF
Feature space
Feature selection algorithm
Coevolutionary dynamics of phenotypic diversity and contingent cooperation
期刊论文
PLOS COMPUTATIONAL BIOLOGY, 2017
Wu, Te
;
Wang, Long
;
Fu, Feng
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  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
SIMILARITY BREED COOPERATION
PUBLIC-GOODS GAMES
GENE-EXPRESSION
ULTIMATUM GAME
STRUCTURED POPULATIONS
BACTERIAL PERSISTENCE
BEHAVIORAL EVOLUTION
ALTRUISM
FAIRNESS
PROMOTES
Digital image correlation based on a fast convolution strategy
期刊论文
OPTICS AND LASERS IN ENGINEERING, 2017
Yuan, Yuan
;
Zhan, Qin
;
Xiong, Chunyang
;
Huang, Jianyong
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Deformation measurement
Image registration
Fast convolution
Computational performance
HIGH-ACCURACY
DEFORMATION MEASUREMENT
INITIAL GUESS
DISPLACEMENT
ALGORITHM
GRADIENT
REGISTRATION
CRITERIA
SCHEME
Overlapping Coalition Formation Game Based Opportunistic Cooperative Localization Scheme for Wireless Networks
期刊论文
IEEE TRANSACTIONS ON COMMUNICATIONS, 2017
Zhang, Rongqing
;
Zhao, Zijun
;
Cheng, Xiang
;
Yang, Liuqing
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  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Cooperative localization
overlapping coalition formation (OCF) game
opportunistic selection
terminating criterion
WIDE-BAND LOCALIZATION
SENSOR NETWORKS
FUNDAMENTAL LIMITS
SELF-LOCALIZATION
NAVIGATION
FRAMEWORK
TRACKING
MIMO
Low-Complexity Hybrid Precoding Design for MIMO-OFDM Millimeter Wave Communications
期刊论文
IEICE TRANSACTIONS ON COMMUNICATIONS, 2017
Dong, Yue
;
Chen, Chen
;
Yi, Na
;
Gao, Shijian
;
Jin, Ye
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
5G
millimeter wave communications
hybrid precoding
frequency selectivity
low-complexity implementation
SYSTEMS
MODELS
ANALOG
Low Complexity BF scheme for downlink MISO-NOMA systems
期刊论文
IET COMMUNICATIONS, 2017
Cai, Wenbo
;
Jin, Ye
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
array signal processing
singular value decomposition
MIMO communication
downlink MISO-NOMA systems
user selection
BF scheme
beamforming
power allocation
PA problems
downlink multiple-input-single-output system
nonorthogonal multiple access system
computational complexity
singular value decomposition
SVD
NONORTHOGONAL MULTIPLE-ACCESS
CAPACITY
THROUGHPUT
CHANNELS
Blind Analog Interference Cancellation
期刊论文
IEEE COMMUNICATIONS LETTERS, 2017
Tian, Shuyi
;
Ma, Meng
;
Yang, Yuli
;
Jiao, Bingli
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2017/12/03
Blind solution
interference cancellation
full-duplex transmission
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