Low-frequency vibration-based energy harvester using a piezoelectric composite beam.
Lokesh DhakarHuicong LiuFrancis Eng Hock TayChengkuo LeePublished in: NEMS (2013)
Keyphrases
- low frequency
- high frequency
- low frequency coefficients
- frequency domain
- wavelet transform
- subband
- discrete wavelet transform
- wavelet coefficients
- wavelet analysis
- energy consumption
- low and high frequency
- high voltage
- original images
- high resolution
- low pass
- dct domain
- spatial domain
- wavelet transformation
- electromagnetic fields
- dct coefficients
- fault diagnosis
- fusion rules
- multiscale
- feature extraction