Off-grid DOA estimation using array covariance matrix and block-sparse Bayesian learning.
Yi ZhangZhongfu YeXu XuNan HuPublished in: Signal Process. (2014)
Keyphrases
- covariance matrix
- direction of arrival
- sparse bayesian learning
- doa estimation
- estimation error
- canonical correlation analysis
- covariance matrices
- antenna array
- principal components analysis
- sample size
- principal component analysis
- correlation matrix
- relevance vector machine
- signal to noise ratio
- training data
- transformation matrix
- objective function
- error rate
- feature extraction
- sound source
- similarity measure