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Chinese Academy of Sciences Institutional Repositories Grid
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长春光学精密机械与物... [2]
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OAI收割 [7]
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期刊论文 [5]
会议论文 [2]
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A Novel Low-Frequency Virtual Space Vector Modulation With the Improved Continuity of Output Average-Voltage and Bus Voltage Utilization for Single-Phase Neutral Point Clamped Three-Level Inverter
期刊论文
OAI收割
IEEE JOURNAL OF EMERGING AND SELECTED TOPICS IN POWER ELECTRONICS, 2022, 卷号: 10
作者:
Chen, Tao
;
Fu, Peng
;
Chen, Xiaojiao
;
Huang, Liansheng
;
Dou, Sheng
  |  
收藏
  |  
浏览/下载:60/0
  |  
提交时间:2022/05/16
Space vector pulse width modulation
Switches
Voltage
Thyristors
Harmonic analysis
Electric potential
Control systems
Bus voltage utilization
continuity of output average voltage
neutral point potential balance
optimized hybrid space vector pulsewidth modulation (SVPWM)-8H
single-phase neutral point clamped three-level converter
One-and two-dimensional gap solitons and dynamics in the PT - symmetric lattice potential and spatially-periodic momentum modulation
期刊论文
OAI收割
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION, 2017, 卷号: 55, 页码: 287-297
作者:
Chen, Yong
;
Yan, Zhenya
;
Li, Xin
  |  
收藏
  |  
浏览/下载:28/0
  |  
提交时间:2018/07/30
Generalized nonlinear Schrodinger equation
PT-symmetric lattice potential
Spatially-periodic momentum modulation
Gap solitons
Stability
Grid-controlled emission source for space X-ray communication
期刊论文
OAI收割
acta physica sinica, 2014, 卷号: 63, 期号: 16
作者:
Ma Xiao-Fei
;
Zhao Bao-Sheng
;
Sheng Li-Zhi
;
Liu Yong-An
;
Liu Duo
收藏
  |  
浏览/下载:62/0
  |  
提交时间:2015/07/10
grid control X-ray source
focal spot size
modulation potential
digital signal transmission
Modulation transfer function measurement of sampled imaging systems in field test (EI CONFERENCE)
会议论文
OAI收割
5th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, April 26, 2010 - April 29, 2010, Dalian, China
作者:
Yang L.
;
Zhang J.
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2013/03/25
A digital mirror device (DMD) based light projector was developed as the target generator in modulation transfer function (MTF) measurement. In order to overcome the sampling-scene phase effect in MTF measurement of sampled imaging systems
a method using random targets is introduced to yield a phase-averaged MTF. The main potential problem of implementing this method is the fact that the stationary assumption of the random targets may be vitiated in practical measurement
especially in field test due to the ill condition. We provide an efficient model-independent way of analyzing and isolating the spectral contents arising from these additional contributions to MTF measurement. Algorithms with adaptive parameter selection were also developed for spectral estimation of the test image in order to overcome the challenge brought by the size limit of the test matrices for one certain field of view derived from the isoplantic region. The MTF measurement of a CCD video imager is used to demonstrate the measurement technique and illustrate the benefits over other methods. In order to validate the results
comparisons have been made between MTF measurements of imager implemented using this method and bar target direct measurements. 2010 Copyright SPIE - The International Society for Optical Engineering.
The evolution of bound states in quantum wires under potential modulation
期刊论文
OAI收割
PHYSICA B-CONDENSED MATTER, 2006, 卷号: 373, 页码: 253-257
作者:
Chen, YP
;
Xie, YE
;
Yan, XH
  |  
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2018/05/31
quantum bound state
potential modulation
quantum wires
On orbit MTF measurement of remote sensing camera based on wavelet transform (EI CONFERENCE)
会议论文
OAI收割
ICO20: Remote Sensing and Infrared Devices and Systems, August 21, 2005 - August 26, 2005, Changchun, China
作者:
Wang X.
;
Wang X.
;
Wang X.
收藏
  |  
浏览/下载:28/0
  |  
提交时间:2013/03/25
High resolution remote sensing images are often applied in many research fields. But there are less research on images quality for an orbit remote sensing camera. The magnitude of the OTF
as the modulation transfer function (MTF)
is a measure of the 2-D spatial frequency response of the remote sensing camera. In this paper
knife-edge technique based on quadratic spline wavelet fast transform algorithm is proposed and applied to generate MTF with a greatly high resolution in horizontal or vertical direction. The result has fully demonstrate the potential applicability and good property of the method to estimate MTF for remote sensing camera.
Corticofugal Gating of auditory information in the thalamus: An in vivo intracellular recording study
期刊论文
OAI收割
JOURNAL OF NEUROSCIENCE, 2004, 卷号: 24, 期号: 12, 页码: 3060-3069
Yu, YQ
;
Xiong, Y
;
Chan, YS
;
He, JF
收藏
  |  
浏览/下载:36/0
  |  
提交时间:2012/07/23
corticofugal modulation
the medial geniculate body
electrical stimulation
in vivo intracellular recording
excitatory postsynaptic potential
EPSP
inhibitory postsynaptic potential
IPSP
low-threshold calcium spike
MEDIAL GENICULATE-BODY
NUCLEUS RETICULARIS THALAMI
BIG BROWN BAT
CORTICOTHALAMIC PROJECTIONS
RECEPTOR ACTIVATION
CELLULAR MECHANISMS
INFERIOR COLLICULUS
CORTICAL ACTIVATION
MAMMALIAN THALAMUS
SOUND STIMULATION