Adaptive Beamforming via Desired Signal Robust Removal for Interference-Plus-Noise Covariance Matrix Reconstruction.
Pan ZhangZhiwei YangGang JingTeng MaPublished in: Circuits Syst. Signal Process. (2021)
Keyphrases
- covariance matrix
- estimation error
- received signal
- covariance matrices
- noisy environments
- direct sequence spread spectrum
- image noise
- speech enhancement
- signal to noise ratio
- principal component analysis
- frequency domain
- mahalanobis distance
- sample size
- pseudo inverse
- noise reduction
- noise ratio
- signal detection
- gaussian mixture
- image reconstruction
- missing data
- non stationary
- objective function
- geometrical interpretation
- machine learning
- noise level
- eigendecomposition
- mixture model
- feature vectors
- signal subspace
- eigenvalues and eigenvectors
- weak signal detection
- genetic algorithm