Instantaneous frequency and amplitude of orthocomplex modulated signals based on quaternion Fourier transform.
Nicolas Le BihanStephen J. SangwineTodd A. EllPublished in: Signal Process. (2014)
Keyphrases
- fourier transform
- instantaneous frequency
- frequency modulation
- frequency domain
- signal processing
- multi component
- power spectral density
- radon transform
- non stationary
- fourier domain
- frequency spectrum
- hilbert transform
- discrete fourier transform
- fourier analysis
- fast fourier transform
- empirical mode decomposition
- log polar
- spatial domain
- correlation function
- amplitude modulation
- subband
- image compression