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科研机构
北京大学 [210]
内容类型
期刊论文 [106]
其他 [101]
会议论文 [3]
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2017 [11]
2016 [19]
2015 [31]
2014 [18]
2013 [23]
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专题:北京大学
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Historical factors shaped species diversity and composition of Salix in eastern Asia
期刊论文
SCIENTIFIC REPORTS, 2017
Wang, Qinggang
;
Su, Xiangyan
;
Shrestha, Nawal
;
Liu, Yunpeng
;
Wang, Siyang
;
Xu, Xiaoting
;
Wang, Zhiheng
收藏
  |  
浏览/下载:12/0
  |  
提交时间:2017/12/03
POSTGLACIAL DISPERSAL LIMITATION
WATER-ENERGY DYNAMICS
FREEZING RESISTANCE
NICHE CONSERVATISM
PLANT DIVERSITY
SOUTHERN AFRICA
GLOBAL PATTERNS
RICHNESS
CLIMATE
EUROPE
我国北方温带草地土壤微生物群落组成及其环境影响因素
期刊论文
北京大学学报 自然科学版, 2017
方圆
;
王娓
;
姚晓东
;
彭晓茜
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
温带草原
土壤微生物群落
磷脂脂肪酸分析
temperate steppe
soil microbial community
phospholipid fatty acid analysis
ParaView visualization of Abaqus output on the mechanical deformation of complex microstructures
期刊论文
COMPUTERS & GEOSCIENCES, 2017
Liu, Qingbin
;
Li, Jiang
;
Liu, Jie
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Abaqus (R)
Post-processing
Python script
ParaView
Parallel visualization
MICROTOMOGRAPHY
Segmentation and classification of two-channel C. elegans nucleus-labeled fluorescence images
其他
2017-01-01
Zhao, Mengdi
;
An, Jie
;
Li, Haiwen
;
Zhang, Jiazhi
;
Li, Shang-Tong
;
Li, Xue-Mei
;
Dong, Meng-Qiu
;
Mao, Heng
;
Tao, Louis
收藏
  |  
浏览/下载:116/0
  |  
提交时间:2017/12/03
C. elegans
Nucleus
Aging
Two-channel fluorescence image
Morphology
Segmentation
Classification
AGE-RELATED-CHANGES
AFFECT LIFE-SPAN
CAENORHABDITIS-ELEGANS
CELL SEGMENTATION
ARCHITECTURE
MORPHOLOGY
INTEGRITY
Beyond 200G Direct Detection Transmission With Nyquist Asymmetric Twin-SSB Signal at C-Band
期刊论文
JOURNAL OF LIGHTWAVE TECHNOLOGY, 2017
Zhu, Yixiao
;
Ruan, Xiaoke
;
Zou, Kaiheng
;
Zhang, Fan
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2017/12/03
Direct detection
Nyquist pulse shaping
single sideband
signal-signal beat interference
SUBCARRIER MODULATION
800 Gb/s (8 x 100 Gb/s) Nyquist Half-Cycle Single-Sideband Modulation Direct-Detection Transmission Over 320 km SSMF at C-band
期刊论文
JOURNAL OF LIGHTWAVE TECHNOLOGY, 2017
Zou, Kaiheng
;
Zhu, Yixiao
;
Zhang, Fan
收藏
  |  
浏览/下载:46/0
  |  
提交时间:2017/12/03
Digital signal processing
direct detection
fiber nonlinearity
Nyquist pulse shaping
optical fiber communication
single sideband signaling
subcarrier modulation
wavelength division multiplexing
SUBCARRIER MODULATION
Simulation method of spatial laser field for arbitrary distance optical transmission with carbon nanotube
期刊论文
OPTICS COMMUNICATIONS, 2017
Wang, Jianmin
;
Bai, Rumeng
;
Zhou, Ye
;
Zhao, Guang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Free space optical communication
Optical transmission
Carbon
Nanotube
SILEX
An Enhancement of Crosstalk Avoidance Code Based on Fibonacci Numeral System for Through Silicon Vias
期刊论文
IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS, 2017
Cui, Xiaole
;
Cui, Xiaoxin
;
Ni, Yewen
;
Miao, Min
;
Jin Yufeng
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Crosstalk
crosstalk avoidance code (CAC)
Fibonacci number system (FNS)
redundant codeword
redundant number
through silicon via (TSV)
CHIP
DESIGN
Improved reversible data hiding based on two-dimensional difference-histogram modification
期刊论文
MULTIMEDIA TOOLS AND APPLICATIONS, 2017
Xue, Bowen
;
Li, Xiaolong
;
Wang, Jinwei
;
Guo, Zongming
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Reversible data hiding
Difference-pair-mapping
Two-dimensional difference-histogram
Embedding performance
WATERMARKING
PREDICTION
EXPANSION
STEGANALYSIS
224 Gb/s Optical Carrier-Assisted Nyquist 16-QAM Half-Cycle Single-Sideband Direct Detection Transmission over 160 km SSMF
期刊论文
JOURNAL OF LIGHTWAVE TECHNOLOGY, 2017
Zhu, Yixiao
;
Zou, Kaiheng
;
Chen, Zhangyuan
;
Zhang, Fan
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2017/12/03
Direct detection
heterodyning
signal-signal beat interference
single sideband
SUBCARRIER MODULATION
OFDM SUPERCHANNEL
PHOTODIODE
SYSTEMS
COMMUNICATION
OFDM/OQAM
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