A novel sub-Nyquist Fourier transform estimator based on alias-free hybrid stratified sampling.
Bashar I. AhmadAndrzej TarczynskiPublished in: ICASSP (2016)
Keyphrases
- fourier transform
- stratified sampling
- random sampling
- frequency domain
- signal processing
- sampling strategies
- fourier domain
- least squares
- radon transform
- sampling methods
- active learning
- training data
- discrete fourier transform
- log polar
- frequency spectrum
- fourier coefficients
- power spectral density
- sampling algorithm
- fourier analysis
- maximum likelihood
- neural network
- data sets
- fast fourier transform
- polar coordinates
- spatial domain
- sample size
- phase difference
- correlation function
- wavelet transform
- spectral estimation
- upper bound