Robust Adaptive Beamforming with Sensor Position Errors Using Weighted Subspace Fitting-Based Covariance Matrix Reconstruction.
Peng ChenYixin YangYong WangYuanliang MaPublished in: Sensors (2018)
Keyphrases
- covariance matrix
- covariance matrices
- eigendecomposition
- principal component analysis
- principal components analysis
- estimation error
- principal components
- mahalanobis distance
- gaussian mixture
- transformation matrix
- sample size
- correlation matrix
- feature space
- signal subspace
- objective function
- pseudo inverse
- dimensionality reduction
- high dimensional
- sound source
- high resolution
- linear array
- feature extraction
- geometrical interpretation
- independent component analysis
- singular value decomposition
- low dimensional
- reconstruction error
- parameter estimation
- upper bound
- sensor array