Extremely Low Frequency (ELF) Communication to Submarines.
Harrison E. RowePublished in: IEEE Trans. Commun. (1974)
Keyphrases
- low frequency
- high frequency
- frequency domain
- wavelet transform
- wavelet analysis
- subband
- frequency band
- high resolution
- wavelet coefficients
- electromagnetic fields
- visual quality
- discrete wavelet transform
- original images
- high frequency components
- low pass
- image analysis
- contourlet transform
- feature extraction
- low and high frequency
- spatial domain
- filter bank
- super resolution
- feature vectors