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科研机构
北京大学 [14]
内容类型
其他 [8]
期刊论文 [6]
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2017 [1]
2016 [1]
2015 [2]
2014 [2]
2013 [1]
2011 [1]
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共14条,第1-10条
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专题:北京大学
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An improved multi-frequency carrier phase ambiguity resolution
其他
2017-01-01
Gu, Xiaoying
;
Zhu, Bocheng
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Ambiguity resolution
precise point positioning
multi-frequency carrier phase
linear combination
A target field design of open multi-purpose RF coil for musculoskeletal MR imaging at 3 T
期刊论文
MAGNETIC RESONANCE IMAGING, 2016
Gao, Fei
;
Zhang, Rui
;
Zhou, Diange
;
Wang, Xiaoying
;
Huang, Kefu
;
Zhang, Jue
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Target field approach
Open
Radio-frequency (RF) coil
Musculoskeletal MR imaging
VARYING FLEXION ANGLES
PHASED-ARRAY COIL
REAL-TIME MRI
INVERSE METHODOLOGY
JOINT KINEMATICS
SKELETAL-MUSCLE
KNEE KINEMATICS
HIGH-RESOLUTION
IN-VIVO
SHIM
A High Frequency Resolution Digitally Controlled Oscillator With Differential Tapped Inductor
其他
2015-01-01
Yang, Fan
;
Wang, Runhua
;
Liu, Xiaozhe
;
Liu, Junhua
;
Liao, Huailin
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
differential tapped inductor
Digitally Controlled Oscillator (DCO)
high frequency resolution
A High Frequency Resolution Digitally Controlled Oscillator With Differential Tapped Inductor
其他
2015-01-01
Fan Yang
;
Runhua Wang
;
Xiaozhe Liu
;
Junhua Liu
;
Huailin Liao
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
differential tapped inductor
Digitally Controlled Oscillator (DCO)
high frequency resolution
Transversally and Axially Tunable Carbon Nanotube Resonators In Situ Fabricated and Studied Inside a Scanning Electron Microscope
期刊论文
nano letters, 2014
Ning, Z. Y.
;
Shi, T. W.
;
Fu, M. Q.
;
Guo, Y.
;
Wei, X. L.
;
Gao, S.
;
Chen, Q.
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
NEMS
SWCNT
nanotube resonator
in situ SEM
frequency tuning
sensor
NANOMECHANICAL MASS SENSOR
MECHANICAL RESONATORS
RESOLUTION
MOTION
GHZ
Phase conjugation frequency dissemination based on harmonics of optical comb at 10(-17) instability level
期刊论文
光学通讯, 2014
Li, Dawei
;
Hou, Dong
;
Hu, Ermeng
;
Zhao, Jianye
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
STABLE RADIO-FREQUENCY
FIBER LINK
NETWORK
RESOLUTION
ACCURACY
STABILIZATION
CANCELLATION
DELIVERY
PRECISE
TIME
Hybrid Analog-Digital Fiber-Based Radio-Frequency Signal Distribution
期刊论文
ieee photonics technology letters, 2013
Ning, Bo
;
Hou, Dong
;
Zheng, Tuolun
;
Zhao, Jianye
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
Digital signal processing (DSP)
optical fibers
phase measurement
radio-frequency (RF) signal distribution
FREQUENCY TRANSFER
OPTICAL-FIBER
SYNCHRONIZATION
LINK
STABILIZATION
RESOLUTION
LASER
Digital filter for hot-wire measurements of small-scale turbulence properties
期刊论文
measurement science technology, 2011
Mi, J.
;
Xu, M.
;
Du, C.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/13
fine-scale turbulence
digital filter
high-frequency noise
TAYLOR HYPOTHESIS
DISSIPATION RATE
CIRCULAR JETS
PLANE
VELOCITY
FLOWS
DERIVATIVES
RESOLUTION
A Secure Communication Mechanism of P2P RFID Code Resolution Network
期刊论文
chinese journal of electronics, 2010
Liu Xueyang
;
Zhao Wen
;
Huang Kaimu
;
Feng Zhiming
;
Zhang Shikun
;
Wang Lifu
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/13
Radio frequency identification (RFID)
Code resolution network
Secure communication mechanism
Kademlia
PRIVACY
A 16-bit 312.5-kHz Bandwidth Fourth-order One-Bit Switched-Capacitor Sigma-Delta Modulator
其他
2009-01-01
Li, Hongyi
;
Wang, Yuan
;
Jia, Song
;
Zhang, Xing
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/10
Data conversion
delta-sigma modulator
switch capacitor (SC) integrator
high resolution
medium frequency
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