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Phase locking scheme based on look-up-table-assisted sliding discrete fourier transform for low-frequency power and acoustic signals.
P. Sumathi
P. A. Janakiraman
Published in:
IET Circuits Devices Syst. (2011)
Keyphrases
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low frequency
frequency domain
discrete fourier transform
high frequency
acoustic signals
fourier transform
spatial domain
wavelet transform
feature extraction
acoustic signal
discrete wavelet transform
subband
denoising
frequency band
high resolution
low and high frequency
radon transform
wavelet coefficients
filter bank
wavelet domain
original images
preprocessing
dct coefficients
pattern recognition
image processing