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基于SGHT的航天器微振动信号处理方法
期刊论文
振动、测试与诊断, 2023, 卷号: 43, 期号: 6, 页码: 1073-1080
作者:
陈继喆
;
章海鹰
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2024/03/10
航天器
微振动
辛几何
希尔伯特
边际谱
In-situ monitoring of pitting corrosion of AZ31 magnesium alloy by combining electrochemical noise and acoustic emission techniques
期刊论文
JOURNAL OF ALLOYS AND COMPOUNDS, 2021, 卷号: 878, 页码: 7
作者:
Zhang, Zhen
;
Zhao, Zhanyong
;
Bai, Peikang
;
Li, Xiaofeng
;
Liu, Bin
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  |  
浏览/下载:60/0
  |  
提交时间:2021/10/15
Magnesium alloy
Pitting corrosion
Electrochemical noise
Acoustic emission
Early fault feature extraction of rolling bearing based on optimized VMD and improved threshold denoising
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2021, 卷号: 40, 期号: 13, 页码: 146-153
作者:
Chen, Peng
;
Zhao, Xiaoqiang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2022/02/17
Extraction
Feature extraction
Signal processing
Spectrum analysis
Adaptive decomposition
Correlation coefficient
Fault feature extractions
Mode decomposition
Optimization algorithms
Optimization method
Teager energy operators
Threshold de-noising
Altered Time-Frequency Feature in Default Mode Network of Autism Based on Improved Hilbert-Huang Transform
期刊论文
IEEE Journal of Biomedical and Health Informatics, 2021, 卷号: 25, 期号: 2, 页码: 485-492
作者:
Zhang, Han
;
Li, Rui
;
Wen, Xiaotong
;
Li, Qing
;
Wu, Xia
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  |  
浏览/下载:31/0
  |  
提交时间:2021/04/08
Mathematical Relations Between Measures of Brain Connectivity Estimated From Electrophysiological Recordings for Gaussian Distributed Data
期刊论文
FRONTIERS IN NEUROSCIENCE, 2020, 卷号: 14, 页码: 17
作者:
Nolte, Guido
;
Galindo-Leon, Edgar
;
Li, Zhenghan
;
Liu, Xun
;
Engel, Andreas K.
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  |  
浏览/下载:16/0
  |  
提交时间:2020/12/28
EEG
MEG
phase-phase coupling
amplitude-amplitude coupling
Gaussian distribution
Fault Diagnosis Method for Rolling Bearing under Variable Working Conditions Using Improved Residual Neural Network
期刊论文
Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University, 2020, 卷号: 54, 期号: 9, 页码: 23-31
作者:
Zhao, Xiaoqiang
;
Liang, Haopeng
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  |  
浏览/下载:20/0
  |  
提交时间:2020/11/14
Convolution
Failure analysis
Fault detection
Microphones
Neural networks
Time domain analysis
End-to-end connections
Fault diagnosis method
Feature information
Generalization ability
Learning efficiency
Neural network method
Time-varying characteristics
Working environment
Inverse scattering transforms and soliton solutions of focusing and defocusing nonlocal mKdV equations with non-zero boundary conditions
期刊论文
PHYSICA D-NONLINEAR PHENOMENA, 2020, 卷号: 402, 页码: 14
作者:
Zhang, Guoqiang
;
Yan, Zhenya
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  |  
浏览/下载:24/0
  |  
提交时间:2020/05/24
Nonlocal mKdV equation
Non-zero boundary conditions
Riemann surface
Inverse scattering transform
Matrix Riemann-Hilbert problem
Solitons
Boundedness and Spectrum of Multiplicative Convolution Operators Induced by Arithmetic Functions
期刊论文
ACTA MATHEMATICA SINICA-ENGLISH SERIES, 2019, 卷号: 35, 期号: 8, 页码: 1300-1310
作者:
Gebremeskel, Kibrom G.
;
Huang, Lin Zhe
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  |  
浏览/下载:32/0
  |  
提交时间:2020/01/10
Arithmetic functions
Mobius function
von Neumann algebra
Weak Fault Feature Extraction Method for Rolling Bearings Based on SVD-EEMD and TEO Energy Spectrum
期刊论文
Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2019, 卷号: 39, 期号: 4, 页码: 720-726
作者:
Zhang, Chen
;
Zhao, Rongzhen
;
Deng, Linfeng
;
Wu, Yaochun
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2020/11/14
Extraction
Feature extraction
Fourier series
Mean square error
Phase space methods
Signal processing
Singular value decomposition
Spectroscopy
Energy spectra
Ensemble empirical mode decompositions (EEMD)
Intrinsic Mode functions
Mean square error criterions
Phase space reconstruction
Sensitive features
Teager energy operators
Weak fault feature extraction
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