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科研机构
兰州理工大学 [10]
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会议论文 [5]
期刊论文 [5]
发表日期
2021 [1]
2017 [1]
2016 [1]
2014 [1]
2012 [2]
2011 [1]
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专题:兰州理工大学
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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:5/0
  |  
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
An adaptive wavelet shrinkage de-noising algorithm for low altitude flying acoustic targets
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2017, 卷号: 36, 期号: 9, 页码: 153-158 and 230
作者:
Li, Suoping
;
Zhou, Yong
;
Zhou, Yongqiang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2020/11/14
Acoustic noise
Shrinkage
Signal processing
Wavelet decomposition
Acoustic targets
Adaptive wavelet thresholds
De-noising
De-noising algorithm
Optimal decomposition
Signal information
Threshold de-noising
Threshold functions
EMD and morphology based voltage disturbance detection method for power system connected with wind turbine generation
期刊论文
Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering, 2016, 卷号: 32, 期号: 11, 页码: 219-225
作者:
Bao, Guangqing
;
Song, Ze
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2020/11/14
Acoustic noise
Discrete wavelet transforms
Edge detection
Electric fields
Electric utilities
Fault detection
Functions
Mathematical morphology
Morphology
Reactive power
Signal reconstruction
Signal to noise ratio
Turbogenerators
Voltage measurement
White noise
Wind power
Wind turbines
Amplitude and frequency modulations
Empirical Mode Decomposition
Morphological edge detection
Quantitative assessment methods
Reactive power compensation device
Signal de-noising
Wind power integrations
Windowed Fourier transforms
An EMD threshold-based de-noising method for roller bearing fault vibration signal analysis
期刊论文
Journal of Computational Information Systems, 2014, 卷号: 10, 期号: 17, 页码: 7645-7652
作者:
Bao, Guangqing
;
Chang, Yong
;
He, Ting
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2020/11/14
Bearings (machine parts)
Feature extraction
Roller bearings
Rollers (machine components)
Signal analysis
Signal processing
Signal to noise ratio
Vibration analysis
Wavelet decomposition
Empirical Mode Decomposition
Fault feature extractions
Intrinsic Mode functions
Rolling bearings
Signaltonoise ratio (SNR)
Vibration signal
Vibration signal analysis
Wavelet thresholding
Research of the optimal wavelet selection on entropy function
会议论文
Changsha, China, July 1, 2012 - July 2, 2012
作者:
Ma, Hong-Feng
;
Dang, Jian-Wu
;
Liu, Xin
收藏
  |  
浏览/下载:0/0
  |  
提交时间:2020/11/15
Automation
Entropy
Signal to noise ratio
Wavelet analysis
Computer simulation experiment
De-noising
Entropy function
Optimal wavelet basis
Threshold algorithms
Wavelet Packet Analysis
Wavelet packet de-noising
Wavelet Packet Decomposition
An wavelet image automatic threshold selection denoising method
会议论文
Xiamen, China, March 27, 2012 - March 29, 2012
作者:
Zhao, Shuang-Ping
;
Li, Xiang-Wei
;
Xing, Jing-Hong
;
Zheng, Gang
收藏
  |  
浏览/下载:0/0
  |  
提交时间:2020/11/15
Genetic algorithms
Manufacture
Wavelet decomposition
Wavelet transforms
Automatic threshold
Automatic threshold selection
De-noising
Denoising methods
Inverse transition
Optimal threshold
Original signal
Threshold methods
Wavelet image
Wavelet transition
Wavelet image denoising by threshold optimization based on genetic algorithm
会议论文
Hangzhou, China, March 9, 2011 - March 11, 2011
作者:
Zhao, Shuang-Ping
;
Li, Xiang-Wei
;
Xing, Jing-Hong
;
Ye, Yan-Wen
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2020/11/15
Computer applications
Genetic algorithms
Image processing
Noise pollution control
Optimization
De-noising
Image de-noising
Inverse transition
Optimal images
Optimal threshold
Original signal
Threshold
Threshold methods
Wavelet image
Wavelet transition
Research of high-speed railway image noise removal based on fast recursive GCV threshold function
会议论文
Chengdu, China, June 12, 2010 - June 13, 2010
作者:
Ma, Hongfeng
;
Dang, Jianwu
;
Liu, Xin
收藏
  |  
浏览/下载:13/0
  |  
提交时间:2020/11/15
Agriculture
Railroad cars
Railroad transportation
Railroads
Wavelet decomposition
Complex algorithms
Guiding significances
High
speed railways
High speed train (HST)
Integer wavelet transforms
Recursive operations
Threshold functions
Wavelet threshold de-noising
Realization of Speech Recognition System Based on Digital Signal Processor
会议论文
作者:
Yu Shicai
;
Zhang Baofeng
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2019/11/15
Speech recognition
Digital signal processor (DSP)
Endpoint detection
Power spectrum
Template threshold
Filter design synthesizing median filtering and wavelet algorithm to de-noise vibration signal polluted by violent pulse noises
期刊论文
Zhendong yu Chongji/Journal of Vibration and Shock, 2005, 卷号: 24, 期号: 4, 页码: 74-77
作者:
Zhao, Rongzhen
;
Li, Chao
;
Zhang, Youyun
收藏
  |  
浏览/下载:0/0
  |  
提交时间:2020/11/14
Filtration
Rotors
Signal processing
Wavelet transforms
Median filter
Smoothed natural vibration signal
Violent pulse noises
Wavelet denoising algorithm
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