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Improved VMD-FRFT based on initial center frequency for early fault diagnosis of rolling element bearing
期刊论文
MEASUREMENT SCIENCE AND TECHNOLOGY, 2021, 卷号: 32, 期号: 11
作者:
Chen, Guangyi
;
Yan, Changfeng
;
Meng, Jiadong
;
Wang, Huibin
;
Wu, Lixiao
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2021/10/14
bearing fault detection
initial center frequency
periodic impulses
reciprocal of spectral autocorrelation smoothness index
variational mode decomposition-fractional Fourier transform
General condition of unidirectional mode conversion in periodic waveguide
期刊论文
JOURNAL OF OPTICS, 2018, 卷号: 20, 期号: 12
作者:
Zhang, Lingxuan
;
Wang, Guoxi
;
Li, Siqi
;
Ge, Zhiqiang
;
Wang, Weiqiang
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  |  
浏览/下载:35/0
  |  
提交时间:2018/12/06
Unidirectional Propagating
Mode Conversion
Periodic
Effects of Spatiotemporal Filtering on the Periodic Signals and Noise in the GPS Position Time Series of the Crustal Movement Observation Network of China
期刊论文
REMOTE SENSING, 2018, 卷号: 10, 期号: 9
作者:
Yuan, Peng
;
Jiang, Weiping
;
Wang, Kaihua
;
Sneeuw, Nico
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2019/12/05
Global Positioning System (GPS)
Crustal Movement Observation Network of China (CMONOC)
time series
periodic signals
noise
Common Mode Components (CMC)
Principal Component Analysis (PCA)
velocity field
environmental loading
Fabrication of a helical detonation channel: Effect of initial pressure on the detonation propagation modes of ethylene/oxygen mixtures
期刊论文
COMBUSTION AND FLAME, 2018, 卷号: 192, 页码: 1-+
作者:
Pan, Zhenhua[1]
;
Qi, Jun[2]
;
Pan, Jianfeng[3]
;
Zhang, Penggang[4]
;
Zhu, Yuejin[5]
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2019/12/24
Helical channel
Curved detonation
Experimental measurements
Detonation propagation mode
Periodic variation
Ultrashort optical pulse repetition rate multiplication based on two-core-fiber Mach-Zehnder interferometer
期刊论文
OPTICAL AND QUANTUM ELECTRONICS, 2018, 卷号: 50
作者:
Dong, Xiaowei
;
Xu, Mengzhen
;
Pang, Liping
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  |  
浏览/下载:4/0
  |  
提交时间:2019/12/30
Pulse repetition rate multiplication (PRRM)
Two-core-fiber Mach-Zehnder (TCF-MZ) interferometer
Periodic mode-selection
Oscillation and synchronization of extended BVP oscillator under weak periodic perturbation
期刊论文
Shenyang Gongye Daxue Xuebao/Journal of Shenyang University of Technology, 2017, 卷号: 39, 页码: 401-405
作者:
Yu, Rong-Rong
;
Xie, Yong
;
Wang, Zhen
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  |  
浏览/下载:6/0
  |  
提交时间:2019/11/26
Bifurcation
Chaos
Coupling
Mixed-mode oscillation
Return map
Slow variable
Synchronization
Weak periodic perturbation
Stability of periodic modes and bifurcation behaviors in a bouncing-dimer system
期刊论文
NONLINEAR DYNAMICS, 2016
Wang, Jiao
;
Liu, Caishan
;
Wiercigroch, Marian
;
Wang, Chenghua
;
Shui, Yongtao
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  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Multiple impacts
Nonlinear dynamics
Periodic mode
Stability
FRICTIONLESS MULTIPLE IMPACTS
SINUSOIDALLY VIBRATING TABLE
BALL
DYNAMICS
CHAOS
OSCILLATOR
Analytical Perspective of Interfering Resonances in High-Index-Contrast Periodic Photonic Structures
期刊论文
IEEE JOURNAL OF QUANTUM ELECTRONICS, 2016
Wang, Zhixin
;
Zhang, Hanxing
;
Ni, Liangfu
;
Hu, Weiwei
;
Peng, Chao
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/04
Periodic photonic structure
interfering resonance
high-index-contrast
COUPLED-WAVE ANALYSIS
SURFACE-EMITTING LASERS
TRANSVERSE-ELECTRIC POLARIZATION
GUIDED MODE RESONANCE
BOUND-STATES
RADIATION CONTINUUM
CRYSTAL SLABS
REFLECTORS
Modulation frequency characteristics of the Q-switched envelope in a doubly Q-switched and mode-locked laser with acousto-optic modulator and Cr4+:YAG saturable absorber
期刊论文
OPTICAL ENGINEERING, 2015, 卷号: 54, 期号: 11
作者:
Qiao, Junpeng
;
Zhao, Jia
;
Li, Yufei
;
Zhao, Shengzhi
;
Li, Guiqiu
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/17
doubly Q-switched and mode-locked laser
Q-switched envelope
repetition
rate
periodic ramping evolution
Dynamical behaviors of an euler discretized sliding mode control systems
期刊论文
IEEE Transactions on Automatic Control, 2014, 卷号: 59, 期号: 9, 页码: 2525-2529
作者:
Qu, Shaocheng*
;
Xia, Xiaohua
;
Zhang, Jiangfeng
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/23
Euler discretization
periodic orbits
sliding mode control
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