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COVID-19 and risk spillovers of China?s major financial markets: Evidence from time-varying variance decomposition and wavelet coherence analysis
期刊论文
FINANCE RESEARCH LETTERS, 2023, 卷号: 52, 页码: 9
作者:
Xie, Qiwei
;
Cheng, Lu
;
Liu, Ranran
;
Zheng, Xiaolong
;
Li, Jingyu
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2023/02/22
COVID-19
Risk spillovers
Generalized forecast error variance
decompositions
Wavelet coherence analysis
China?s financial markets
基于高斯混合模型扣除毛发SERS信号中增强基底的背景峰
期刊论文
光谱学与光谱分析, 2023, 卷号: 43
作者:
李伟
;
何遥
;
林东岳
;
董荣录
;
杨良保
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2023/11/10
Surface-enhanced Raman spectroscopy
Gaussian mixture model
Conjugate gradient method
Wavelet transform
Background peak deduction
表面增强拉曼光谱
高斯混合模型
共轭梯度法
小波变换
背景峰扣除
Illumination Guided Attentive Wavelet Network for Low-Light Image Enhancement
期刊论文
IEEE TRANSACTIONS ON MULTIMEDIA, 2023, 卷号: 25, 页码: 6258-6271
作者:
Xu, Jingzhao
;
Yuan, Mengke
;
Yan, Dong-Ming
;
Wu, Tieru
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  |  
浏览/下载:0/0
  |  
提交时间:2024/02/22
Lighting
Wavelet transforms
Image enhancement
Frequency modulation
Wavelet coefficients
Noise reduction
Discrete wavelet transforms
Attention mechanism
illumination guidance
low-light image enhancement
wavelet transform
The design and calibration of a low-cost underwater sound velocity profiler
期刊论文
FRONTIERS IN MARINE SCIENCE, 2022, 卷号: 9, 页码: 14
作者:
Zhang, Shengzong
;
Xu, Xiaoyang
;
Xu, Dazhen
;
Long, Keliu
;
Shen, Chong
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  |  
浏览/下载:10/0
  |  
提交时间:2022/12/29
calibration
discrete wavelet transform
ranging
recurrent neural network
sound velocity profiler
Multi-scale structures of electric current generated by collisionless trapped-electron-mode turbulence
期刊论文
PLASMA PHYSICS AND CONTROLLED FUSION, 2022, 卷号: 64
作者:
Chen, Xiang
;
Lu, Zhixin
;
Cai, Huishan
;
Ye, Lei
;
Chen, Yang
收藏
  |  
浏览/下载:17/0
  |  
提交时间:2022/12/22
collisionless trapped-electron mode
zonal flow shear
turbulence-induced current
gyrokinetic simulation
mesoscale structure
continuous wavelet transform
Study on pressure surge characteristics of reactor coolant pump shaft stuck accident condition based on wavelet analysis
期刊论文
Nuclear Engineering and Design, 2022, 卷号: 397
作者:
Qu, Zehui
;
Li, Yibin
;
Pan, Jun
;
Li, Donghao
;
Yang, Congxin
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  |  
浏览/下载:174/0
  |  
提交时间:2022/09/22
Accidents
Coolants
Fluid structure interaction
Impellers
Pressure vessels
Steam generators
Timing circuits
Vortex flow
Wavelet analysis
Closed systems
Flow passage
Guide-vane
Pressure surges
Primary circuits
Pump shafts
Reactor coolant pumps
Reactor primary circuit closed system
Shaft stick accident
Wavelet-analysis
A remaining useful life prediction method based on time–frequency images of the mechanical vibration signals
期刊论文
Measurement: Journal of the International Measurement Confederation, 2022, 卷号: 202
作者:
Du, Xianjun
;
Jia, Wenchao
;
Yu, Ping
;
Shi, Yaoke
;
Cheng, Shengyi
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  |  
浏览/下载:32/0
  |  
提交时间:2022/09/22
Convolution
Forecasting
Preventive maintenance
Rotating machinery
Vibrations (mechanical)
Wavelet transforms
Attention mechanisms
Continuous Wavelet Transform
Convolutional neural network
Degradation trend
Feature map
Remaining useful life predictions
Rolling bearings
Spectral feature
Time frequency
Time–frequency spectral feature map
Identify fine microstructure of multifarious iron oxides via O K-edge EELS spectra
期刊论文
CHINESE CHEMICAL LETTERS, 2022, 卷号: 33, 期号: 9, 页码: 4375-4379
作者:
Chen, Junnan
;
Li, Yujie
;
Lu, Ming
;
Niu, Yiming
;
Zhang, Bingsen
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2022/09/16
EELS
ELNES
EXELFS
Transition metal oxides
DFT
Wavelet analyze
Multilevel wavelet-based hierarchical networks for image compressed sensing
期刊论文
PATTERN RECOGNITION, 2022, 卷号: 129
作者:
Yin, Zhu
;
Shi, WuZhen
;
Wu, Zhongcheng
;
Zhang, Jun
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2022/12/23
Compressed sensing
Hierarchical reconstruction
Sparse signal
Multilevel wavelet transform
Separation method of rolling bearing compound fault characteristics based on Improved harmonic wavelet packet decomposition and fast ICA
期刊论文
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, 2022, 卷号: 36, 期号: 7, 页码: 3263-3276
作者:
Huang, Hua
;
Xue, Wenhu
;
Pang, Qianzhi
收藏
  |  
浏览/下载:16/0
  |  
提交时间:2022/07/19
Compound fault
Fast ICA
Improved harmonic wavelet packet decomposition
Rolling bearing fault diagnosis
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