An energy-concentrated wavelet transform for time-frequency analysis of transient signal.
Haoran DongGang YuTian Ran LinYueyang LiPublished in: Signal Process. (2023)
Keyphrases
- wavelet transform
- wavelet packet
- subband
- energy distribution
- wavelet analysis
- high frequency
- non stationary
- signal analysis
- multiresolution
- low frequency
- wavelet packet transform
- wavelet decomposition
- image coding
- multiscale
- image compression
- matched filter
- wavelet coefficients
- lifting scheme
- wavelet domain
- signal processing
- steady state
- bandpass
- perfect reconstruction
- filter bank
- translation invariant
- power quality disturbance
- soft threshold
- multi resolution analysis
- energy minimization
- energy consumption
- wavelet transform coefficients
- signal detection
- lifting wavelet
- low pass
- discrete wavelet transform
- sensor networks
- high pass
- feature vectors
- haar wavelet
- zero crossing
- empirical mode decomposition
- vibration signal
- denoising
- heart rate
- gaussian function
- feature extraction
- fault diagnosis