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科研机构
北京大学 [23]
内容类型
期刊论文 [14]
其他 [9]
发表日期
2017 [3]
2016 [2]
2015 [1]
2013 [4]
2012 [3]
2011 [1]
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专题:北京大学
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TLS-bridged co-prediction of tree-level multifarious stem structure variables from worldview-2 panchromatic imagery: a case study of the boreal forest
期刊论文
INTERNATIONAL JOURNAL OF DIGITAL EARTH, 2017
Lin, Yi
;
Wei, Tian
;
Yang, Bin
;
Knyazikhin, Yuri
;
Zhang, Yuhu
;
Sato, Hisashi
;
Fang, Xing
;
Liang, Xinlian
;
Yan, Lei
;
Sun, Shanlin
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Tree stem structure variable (SSV)
WorldView-2 panchromatic image (WPI)
static terrestrial laser scanning (TLS)
allometric relationship
co-prediction model
TERRESTRIAL LASER SCANNER
SPECIES CLASSIFICATION
FEATURE PARAMETERS
ALLOMETRIC RELATIONSHIPS
BIOMASS ESTIMATION
INDIVIDUAL TREES
PINUS-SYLVESTRIS
SATELLITE IMAGES
STANDING TREES
CROWN HEIGHT
Improvement of two-way continuous-variable quantum key distribution with virtual photon subtraction
期刊论文
QUANTUM INFORMATION PROCESSING, 2017
Zhao, Yijia
;
Zhang, Yichen
;
Li, Zhengyu
;
Yu, Song
;
Guo, Hong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Continuous-variable quantum key distribution
Two-way protocol
Virtual photon subtraction
Tolerable excess noise
ENTANGLEMENT
CRYPTOGRAPHY
INFORMATION
STATES
Thermodynamic analysis of a novel pumped thermal energy storage system utilizing ambient thermal energy and LNG cold energy
期刊论文
ENERGY CONVERSION AND MANAGEMENT, 2017
Wang, Guan-Bang
;
Zhang, Xin-Rong
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Pumped thermal energy storage (PTES)
Natural working fluid
Heat pump cycle
Rankine cycle
Thermodynamic analysis
TRANSCRITICAL CO2 CYCLES
DIOXIDE HEAT-PUMP
ELECTRICITY STORAGE
CARBON-DIOXIDE
CONCEPTUAL DESIGN
HYDRO STORAGE
CAES SYSTEM
OPTIMIZATION
PERFORMANCE
INTEGRATION
Non-Gaussian postselection and virtual photon subtraction in continuous-variable quantum key distribution
期刊论文
PHYSICAL REVIEW A, 2016
Li, Zhengyu
;
Zhang, Yichen
;
Wang, Xiangyu
;
Xu, Bingjie
;
Peng, Xiang
;
Guo, Hong
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2017/12/03
NOISELESS LINEAR AMPLIFICATION
INFORMATION
STATES
A Low-Power Calibration-Free Fractional-N Digital PLL with High Linear Phase Interpolator
其他
2016-01-01
Yang, Fan
;
Guo, Hangyan
;
Wang, Runhua
;
Zhang, Zherui
;
Liu, Junhua
;
Liao, Huailin
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Calibration-free
Digital PLL
Fractional-N
Glitch-free Harmonic Rejection
Phase Interpolator
A Modified Energy Detector for Random Signals in Gaussian Noise
期刊论文
IEEE COMMUNICATIONS LETTERS, 2015
Guo, Huayan
;
Jiang, Wei
;
Luo, Wu
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Energy detection
large deviation theory
Temporal semantic characteristics of spatial entities' attributes and an algebraic framework
期刊论文
wuhan daxue xuebao xinxi kexue ban geomatics and information science of wuhan university, 2013
Liu, Yuefeng
;
Yang, Zhongzhi
;
Sun, Xiling
;
Si, Ruochen
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/17
Measuring formula-variable relevance in four-valued logic by forgetting
其他
2013-01-01
Liang, Xin
;
Lin, Zuoquan
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/13
MEMS scanning mirror with vertical comb actuator based on latching technique
其他
2013-01-01
Chen, Qing Hua
;
Li, Yan Mei
;
Chen, Ying Jun
;
Wu, Wen Gang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/17
Development of MEMS VOA with only one shutter for dual signals simultaneous operation
其他
2013-01-01
Chen, Qing Hua
;
Li, Yan Mei
;
Chen, Ying Jun
;
Wu, Wen Gang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/17
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