Maximum Likelihood-Based Gridless DoA Estimation Using Structured Covariance Matrix Recovery and SBL With Grid Refinement.
Rohan R. PoteBhaskar D. RaoPublished in: IEEE Trans. Signal Process. (2023)
Keyphrases
- covariance matrix
- maximum likelihood
- covariance matrices
- doa estimation
- estimation error
- direction of arrival
- parameter estimation
- canonical correlation analysis
- principal component analysis
- geometrical interpretation
- maximum likelihood estimation
- sample size
- principal components analysis
- expectation maximization
- principal components
- em algorithm
- pseudo inverse
- gaussian distribution
- gaussian mixture model
- correlation matrix
- sound source
- hyperparameters