DOA estimation for coherent and incoherent wideband sources via sparse representation of the focused array covariance vectors.
Yujian PanHongshu LuHong ZhuNaichang YuanPublished in: ChinaSIP (2015)
Keyphrases
- direction of arrival
- sparse representation
- doa estimation
- dictionary learning
- canonical correlation analysis
- basis vectors
- sparse coding
- face recognition
- image classification
- compressive sensing
- image patches
- signal processing
- negative matrix factorization
- random projections
- high dimensional data
- image representation
- signal subspace
- antenna array
- correlation matrix
- blind source separation
- feature vectors
- multiscale
- sparse coefficients
- multipath
- sound source
- neural network
- covariance matrix
- data analysis
- computer vision