A two-dimensional maximum likelihood parameter estimation of Г-Г distribution for free space optical channels with weak turbulence conditions.
Mahdi KazeminiaMehri MehrjooPublished in: IST (2012)
Keyphrases
- parameter estimation
- maximum likelihood
- gaussian distribution
- exponential family
- em algorithm
- statistical models
- maximum likelihood estimation
- expectation maximization
- parameter values
- parameter estimation algorithm
- maximum likelihood estimates
- likelihood function
- maximum likelihood estimator
- maximum a posteriori
- random fields
- three dimensional
- covariance matrices
- approximate inference
- synthetic aperture radar
- gaussian mixture model
- parameter estimates
- structure learning
- posterior distribution
- gibbs sampling
- parameters estimation
- parameter learning
- hyperparameters
- model fitting
- closed form
- markov random field