A novel method of local chirp-rate estimation of LFM chirp signals in the time-frequency domain.
Krzysztof CzarneckiMarek MoszynskiPublished in: TSP (2013)
Keyphrases
- instantaneous frequency
- fourier transform
- fractional fourier transform
- frequency domain
- preprocessing
- high accuracy
- pairwise
- significant improvement
- synthetic and real images
- edge detection
- domain specific
- dynamic programming
- fast fourier transform
- objective function
- support vector machine
- em algorithm
- parameter estimation
- clustering method
- estimation error
- estimation algorithm
- wavelet packet
- frequency modulation