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科研机构
北京大学 [67]
内容类型
期刊论文 [44]
其他 [23]
发表日期
2017 [5]
2016 [8]
2015 [9]
2014 [7]
2013 [6]
2012 [6]
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专题:北京大学
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Transferability of Economy Estimation Based on DMSP/OLS Night-Time Light
期刊论文
REMOTE SENSING, 2017
Qi, Kun
;
Hu, Yi&apos
;
Cheng, Chengqi
;
Chen, Bo
;
na
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2017/12/03
transferability
data mining
night-time light
DMSP/OLS
economy estimation
SATELLITE IMAGERY
URBANIZATION PROCESS
URBAN EXPANSION
CHINA
DYNAMICS
MODEL
SPECTROSCOPY
PERSPECTIVE
POPULATION
REGRESSION
Energy-Efficient Braking Torque Control of Robotic Transtibial Prosthesis
期刊论文
IEEE-ASME TRANSACTIONS ON MECHATRONICS, 2017
Yuan, Kebin
;
Wang, Qining
;
Wang, Long
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Braking torque control
impedance model
power consumption
robotic transtibial prosthesis
STAIR ASCENT
ANKLE
WALKING
DESIGN
GAIT
BIOMECHANICS
AMPUTEES
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
Excitation of surface plasmon polaritons by electron beam with graphene ribbon arrays
期刊论文
JOURNAL OF APPLIED PHYSICS, 2017
Liu, Yong-Qiang
;
Liu, Pu-Kun
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2017/12/03
WAVE-GUIDE
TERAHERTZ
METAMATERIALS
HYBRIDIZATION
ABSORPTION
User Capacity of Wireless Physical-Layer Identification
期刊论文
IEEE ACCESS, 2017
Wang, Wenhao
;
Sun, Zhi
;
Ren, Kui
;
Zhu, Bocheng
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
Radio frequency fingerprinting
physical-layer security
mutual information
wireless communication
AUTHENTICATION
Ambient photolysis frequency of NO_2 determined using chemical actinometer and spectroradiometer at an urban site in Beijing
期刊论文
Frontiers of Environmental Science & Engineering, 2016
Zou Qi
;
Lu Keding
;
Wu Yusheng
;
Yang Yudong
;
Du Zhuofei
;
Hu Min
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Photolysis frequency of nitrogen dioxide
Chemical actinometer
Spectroradiometer
Tropospheric ultraviolet visible radiation model
Experimental demonstration of ultra-wideband and high-efficiency terahertz spoof surface plasmon polaritons coupler
期刊论文
APPLIED PHYSICS LETTERS, 2016
Tang, Heng-He
;
Ma, Tian-Jun
;
Liu, Pu-Kun
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
BROAD-BAND
WAVES
Tunable optical multicasting of PDM-OFDM signals by novel polarization-interleaved multi-pump FWM scheme
期刊论文
OPTICS EXPRESS, 2016
Zhu, Paikun
;
Li, Juhao
;
Chen, Yuanxiang
;
Zhou, Peng
;
Chen, Zhangyuan
;
He, Yongqi
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
NIOBATE WAVE-GUIDE
WAVELENGTH CONVERSION
FREQUENCY-CONVERSION
NONLINEAR FIBER
SUPER-CHANNELS
DUAL-PUMP
NETWORKS
TRANSMISSION
HNLF
SOA
A Methodology to Evaluate Triple Confidence and Detect Incorrect Triples in Knowledge Bases
其他
2016-01-01
Xie, Haihua
;
Lu, Xiaoqing
;
Tang, Zhi
;
Ye, Mao
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Knowledge Base
Knowledge Service
Triple Confidence
Transmission-Type 2-Bit Programmable Metasurface for Single-Sensor and Single-Frequency Microwave Imaging
期刊论文
SCIENTIFIC REPORTS, 2016
Li, Yun Bo
;
Li, Lian Lin
;
Xu, Bai Bing
;
Wu, Wei
;
Wu, Rui Yuan
;
Wan, Xiang
;
Cheng, Qiang
;
Cui, Tie Jun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
METAMATERIAL APERTURES
SURFACE-WAVES
LIGHT
REFLECTION
REFRACTION
HOLOGRAMS
INDEX
PHASE
LENS
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