Keyphrases
- spectral analysis
- power spectral density
- spectral methods
- spectral features
- autoregressive
- graph laplacian
- filter bank
- quantum computing
- heart rate variability
- fast fourier transform
- speech signal
- low frequency
- fourier transform
- computationally efficient
- signal processing
- least squares
- pairwise
- pattern recognition
- feature selection
- neural network