Fault Feature Extraction of Hydro-Generator Vibration Signals Based on Wavelets Shrinkage.
T. SunT. S. HuangM. LiF. X. SunJ. D. XiangPublished in: WAA (2003)
Keyphrases
- vibration signal
- wavelet transform
- feature extraction
- wavelet domain
- multi resolution analysis
- extracted features
- denoising
- condition monitoring
- image compression
- fault detection
- wavelet coefficients
- multiresolution
- image coding
- fault diagnosis
- wavelet decomposition
- subband
- monitoring and fault diagnosis
- image processing
- image denoising
- wavelet analysis
- operating conditions
- wavelet packet
- preprocessing
- multiscale
- autoregressive
- high frequency
- frequency domain
- morphological filters
- discriminant analysis
- feature selection
- feature vectors
- frequency band
- low frequency
- mathematical model
- signal processing
- gabor filters
- face recognition
- texture analysis
- computer vision
- feature set
- texture features
- principal component analysis
- decision making