Improved Algorithm for Parameter Estimation of LFM Signal Based on Chirp-Z Transform.
Yibing LiuJinliang LiHaijun WangQiang LuoPublished in: CIPAE (2020)
Keyphrases
- parameter estimation
- improved algorithm
- frequency domain
- original signal
- fourier transform
- maximum likelihood
- least squares
- signal processing
- markov random field
- model selection
- statistical models
- instantaneous frequency
- em algorithm
- optimization strategy
- expectation maximization
- space variant
- random fields
- parameter estimation algorithm
- parameter values
- parameter estimates
- model fitting
- non stationary
- feature extraction
- approximate inference
- fractional fourier transform
- image restoration
- higher order