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科研机构
北京大学 [28]
内容类型
期刊论文 [28]
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2017 [2]
2016 [3]
2015 [2]
2014 [2]
2013 [4]
2011 [4]
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内容类型:期刊论文
专题:北京大学
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Image pre-processing method for near-wall PIV measurements over moving curved interfaces
期刊论文
MEASUREMENT SCIENCE AND TECHNOLOGY, 2017
Jia, L. C.
;
Zhu, Y. D.
;
Jia, Y. X.
;
Yuan, H. J.
;
Lee, C. B.
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
moving curved interfaces
near-wall PIV measurements
image transformation
adaptive stretching
synthetic particles
INTERROGATION
VELOCIMETRY
TURBOMACHINERY
IMPROVEMENT
TRANSITION
FLOWS
Improvement of the f(ceo) S/N of Er-doped fiber laser combs with super-continuum power distribution optimization
期刊论文
MEASUREMENT SCIENCE AND TECHNOLOGY, 2017
Zhou, Dawei
;
Dai, Shaoyang
;
Wang, Qing
;
Qi, Xianghui
;
Chen, Xuzong
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Er:doped fiber frequency combs
carrier envelope offset frequency
super-continuum spectrum
PHOTONIC-CRYSTAL
FREQUENCY COMB
GENERATION
METROLOGY
PULSES
Direct Measurement of Single-Molecule DNA Hybridization Dynamics with Single-Base Resolution
期刊论文
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2016
He, Gen
;
Li, Jie
;
Ci, Haina
;
Qi, Chuanmin
;
Guo, Xuefeng
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
DNA hybridization
single-base resolution
single-molecule devices
FLUORESCENCE CORRELATION SPECTROSCOPY
ELECTRICAL DETECTION
SILICON NANOWIRES
KINETICS
HAIRPIN
PLATFORM
SENSORS
An Accurate Frequency Control Method and Atomic Clock Based on Coherent Population Beating Phenomenon
期刊论文
CHINESE PHYSICS LETTERS, 2016
Zhuang, Yu-Xin
;
Shi, Dai-Ting
;
Li, Da-Wei
;
Wang, Yi-Gen
;
Zhao, Xiao-Na
;
Zhao, Jian-Ye
;
Wang, Zhong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Robust Precise Time Difference Estimation Based on Digital Zero-Crossing Detection Algorithm
期刊论文
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2016
Chen, Zhipeng
;
Li, Zhaohui
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
Digital zero-crossing detection
signal reconstruction
time difference estimation
time interval
ultrasonic flow measurement
SAW FILTER EXCITATION
DELAY
CONVERTER
SYSTEMS
相干布居数拍频信号与基态超精细子能级相干性关系的研究?
期刊论文
物理学报, 2015
赵晓娜
;
庄煜昕
;
汪中
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
相干布居数拍频
能级相干
原子频标
相干布居数囚禁
coherent population beating
energy-levels’ coherence
atomic frequency standard
coherent population trapping
High temporal resolution dynamic contrast-enhanced MRI using compressed sensing-combined sequence in quantitative renal perfusion measurement
期刊论文
MAGNETIC RESONANCE IMAGING, 2015
Chen, Bin
;
Zhao, Kai
;
Li, Bo
;
Cai, Wenchao
;
Wang, Xiaoying
;
Zhang, Jue
;
Fang, Jing
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Kidney
DCE-MRI
Perfusion
Compressed sensing
Temporal resolution
DCE-MRI
BREAST
RECONSTRUCTION
COMBINATION
AGENT
Investigation of Random Telegraph Noise in the Dark Current of Germanium Waveguide Photodetector
期刊论文
ieee journal of selected topics in quantum electronics, 2014
Tu, Zhijuan
;
Zhou, Zhiping
;
Wang, Xingjun
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/10
Detectors
germanium
noise measurement
optoelectronic devices
SOLID-STATE DEVICES
SILICON
PHOTONICS
MOSFETS
SIGNAL
Digital signal processing for a micromachined vibratory gyroscope based on a three dimensional adaptive filter demodulator
期刊论文
measurement, 2014
Liu, Dachuan
;
He, Chunhua
;
Zhao, Qiancheng
;
Yang, Zhenchuan
;
Hao, Yilong
;
Yan, Guizhen
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
Gyroscope
Quadrature demodulation
Adaptive filter demodulator
LMS
MEMS GYROSCOPE
LOOP
SENSORS
MODE
Image-preprocessing method for near-wall particle image velocimetry (PIV) image interrogation with very large in-plane displacement
期刊论文
measurement science technology, 2013
Zhu, Yiding
;
Yuan, Huijing
;
Zhang, Chuanhong
;
Lee, Cunbiao
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
PIV and PTV
image preprocessing
very large in-plane displacement
hypersonic wall-bounded flow
SINGLE-PIXEL RESOLUTION
BOUNDARY-LAYER
MICRO-PIV
IMPROVEMENT
FLOW
THIN
PTV
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