Off-grid DOA estimation based on noise subspace fitting.
Huiping DuanZhigang QianYanyan WangPublished in: DSP (2015)
Keyphrases
- signal subspace
- doa estimation
- direction of arrival
- signal to noise ratio
- canonical correlation analysis
- sensor array
- estimation error
- linear array
- correlation matrix
- noise level
- feature extraction
- high dimensional
- high dimensional data
- dimensionality reduction
- noisy images
- model fitting
- non stationary
- input data
- least squares
- knn
- data sets