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Ultra-low frequency P(VDF-TrFE) piezoelectric energy harvester on flexible substrate.
Zhaoyang Pi
Lun Zhu
Jingwei Zhang
Dongping Wu
David Wei Zhang
Zhi-Bin Zhang
Shi-Li Zhang
Published in:
ASICON (2013)
Keyphrases
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low frequency
high frequency
frequency domain
wavelet transform
wavelet coefficients
subband
directional filters
frequency band
low pass
discrete wavelet transform
high resolution
multiscale
feature extraction
low and high frequency
dct coefficients
intensity images
spatial domain