Refinement in the estimation of multicomponent polynomial-phase signals.
Slobodan DjukanovicMarko SimeunovicIgor DjurovicPublished in: ICASSP (2012)
Keyphrases
- instantaneous frequency
- correlation function
- frequency modulation
- signal processing
- signal reconstruction
- robust estimation
- training phase
- hidden markov models
- accurate estimation
- database
- phase unwrapping
- learning phase
- refinement step
- step wise
- single phase
- brain activity
- low order
- spectral analysis
- maximum likelihood estimation
- estimation algorithm
- independent component analysis
- em algorithm
- decision trees