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长春光学精密机械与物... [3]
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OAI收割 [9]
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期刊论文 [6]
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Numerical simulation of single-cluster and multi-cluster fracturing of hydrate reservoir based on cohesive element
期刊论文
OAI收割
ENGINEERING FRACTURE MECHANICS, 2022, 卷号: 265, 期号: -, 页码: -
作者:
Ma, Xiaolong
;
Jiang, Dandan
;
Fang, Xiaoyu
;
Wang, Xiaochu
  |  
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2023/08/02
Hydrate
Clayey silt
Hydraulic fracturing
Fracture interference
Fracture distribution
Research on Polarization Spectrum Imaging System Based on Orthogonal Modulation
期刊论文
OAI收割
SPECTROSCOPY AND SPECTRAL ANALYSIS, 2018, 卷号: 38, 期号: 7, 页码: 2315-2319
作者:
Wu Jin-hui
;
Yu Jun-zhi
;
Liu Han-qi
;
Wang Gao
  |  
收藏
  |  
浏览/下载:37/0
  |  
提交时间:2018/10/10
Target Recognition
Orthogonal Modulation
Complete Polarization Spectrum
Interference Distribution
Statistical study of GNSS L-band solar radio bursts
期刊论文
OAI收割
GPS SOLUTIONS, 2018, 卷号: 22, 期号: 4, 页码: UNSP 114
作者:
Huang, Wengeng
  |  
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2018/10/12
Gnss
Solar Radio Bursts
Interference
Event Distribution
Occurrence Frequency
Measurement of protein size in concentrated solutions by small angle X-ray scattering
期刊论文
OAI收割
PROTEIN SCIENCE, 2016, 卷号: 25, 期号: 8, 页码: 1385-1389
作者:
Liu, J
;
Liu J(刘俊)
;
Li ZH(李志宏)
;
Wei YR(魏彦茹)
;
Wang WJ(王文佳)
  |  
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2017/07/24
protein size
inter-particle interference
distance distribution function
small angle X-ray scattering
Discovery, structural characterization and functional analysis of alpha-2-macroglobulin, a novel immune-related molecule from Holothuria atra
期刊论文
OAI收割
GENE, 2016, 卷号: 585, 期号: 2, 页码: 205-215
作者:
Qian, Jing
;
Ren, Chunhua
;
Xia, Jianjun
;
Chen, Ting
;
Yu, Zonghe
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2016/12/23
Alpha-2-macroglobulin
Holothuria atra
Tissue distribution
Immune defense
Transcriptional expression
RNA interference
Inhibition of electromagnetic interference in control system based on DSP of high-power TEA CO2 laser (EI CONFERENCE)
会议论文
OAI收割
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
作者:
Meng F.-J.
;
Guo L.-H.
;
Wang H.-Q.
收藏
  |  
浏览/下载:40/0
  |  
提交时间:2013/03/25
The strong electromagnetic interference (EMI) generated in high-power TEA C02 laser system mainly comes from main discharge circuit
pulse spark switch and power supply. Such strong EMI causes great damage and interference to the control system based on DSP. In this paper
we present the interference sources and their distribution and propose the methods of anti-interference. Measures for hardware design include weakening transient ground potential difference by using equipotential lines between devices
using signal isolation interface to inhibit the transient ground potential interference
and rational layout
shielding and filtering to the control system. And methods for software design include range-limited filter
self-diagnosis and self-repair for the critical data and anti-interference during abnormal reset. The EMI has been inhibited effectively by the anti-interference method proposed above. The result shows that: the software anti-interference method is as important as the hardware anti-interference method for the control system in a complex environment of strong EMI. 2010 IEEE.
A high-accuracy parameter estimation algorithm for jointless Frequency-shift track circuit (EI CONFERENCE)
会议论文
OAI收割
ISECS International Colloquium on Computing, Communication, Control, and Management, CCCM 2008, August 3, 2008 - August 4, 2008, Guangzhou, China
作者:
Zheng X.
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2013/03/25
FSK (Frequency Shift keying) signal
which has advantages of narrow-bandwidth
strong anti-interference ability
long transmission distance and so on
is used in jointless Frequency-shift track circuit to send different kinds of control signals. However
as FSK is non-linearly modulated
parameter estimation with high accuracy is hard to realize. Based on the spectrum analysis complement with time-frequency distribution
a highaccuracy FSK signal parameter estimation algorithm is put forward in this paper. According to the signal characteristics
under-sampling and ZFFT are used to improve the accuracy of spectrum analysis
and the base frequency resolution meets system requirement of 0.02Hz. Wigner-Ville distribution has an excellent time-frequency concentration while serious cross-term interference at the same time. Through the design of kernel function
the cross-terms are almost suppressed and the upper/down side frequency resolution meets the system requirement of 0.2Hz. The effectivities of all the methods mentioned above have been proved by MATLAB simulation
which pave a solid way for the development of high-accuracy FSK signal parameter estimation devices. 2008 IEEE.
The effect of transparent film on its surface 3-D mapping by using vertical scanning white light interferometer (EI CONFERENCE)
会议论文
OAI收割
ICO20: Optical Devices and Instruments, August 21, 2005 - August 26, 2005, Changchun, China
Wu X.
;
Lei F.
;
Yatagai T.
收藏
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浏览/下载:18/0
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提交时间:2013/03/25
We have investigated the effect of transparent thin film while mapping its surface profile by using vertical scanning white light interferometer. Our theory analysis showed that multiple reflections taking place within the transparent thin film result in an extra phase change. The simulation and experiment results revealed that this extra phase change is also related to the thickness of thin film
the numerical number of microscope interferometer objective and the spectral distribution of light source. As a result of extra phase change
the interferogram has some deviation in its shape or two interference fringes may appears while the thickness of thin film is large.
Scattering of electrons by a Bose-Einstein condensate of alkali-metal atoms
期刊论文
OAI收割
PHYSICAL REVIEW A, 2001, 卷号: 64, 期号: 4, 页码: -
作者:
Wang, HJ
;
Yi, XX
;
Ba, XW
;
Sun, CP
;
Wang, HJ , Hebei Univ, Dept Chem, Baoding 071002, Peoples R China.
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收藏
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浏览/下载:14/0
  |  
提交时间:2012/08/29
Quantum-field Theory
Short Laser-pulses
Relative Phase
Momentum Distribution
Gas
Light
Interference
Oscillations
Temperature
Spectrum