Real-time signal frequency analysis in variable speed drives using the sparse fast Fourier transform (sFFT).
Mehanathan PathmanathanLuca PerettiPublished in: ICIT (2017)
Keyphrases
- frequency analysis
- frequency domain
- fast fourier transform
- fourier transform
- power spectrum
- spatial domain
- short time fourier transform
- signal processing
- low frequency
- feature extraction
- subband
- discrete fourier transform
- denoising
- transform domain
- fourier domain
- sparse representation
- filter bank
- non stationary
- wavelet domain
- natural images