Nighttime Variations of Extremely Low Frequency (ELF) Signal Strengths in Connecticut.
Peter R. BannisterFrederick J. WilliamsJ. Robert KatanRaymond F. IngramPublished in: IEEE Trans. Commun. (1974)
Keyphrases
- low frequency
- high frequency
- frequency domain
- wavelet analysis
- wavelet transform
- high frequency components
- discrete wavelet transform
- wavelet coefficients
- high resolution
- spatial frequency
- subband
- long distance
- frequency band
- spatial domain
- low and high frequency
- low pass
- visual quality
- contourlet transform
- electromagnetic fields
- wavelet domain
- multiresolution
- multiscale
- wavelet packet
- dct coefficients
- filter bank
- original images
- signal processing
- denoising
- fusion rules
- computer vision