Covariance Matrix Reconstruction Based on Power Spectral Estimation and Uncertainty Region for Robust Adaptive Beamforming.
Saeed MohammadzadehVítor Heloiz NascimentoRodrigo C. de LamareOsman KukrerPublished in: IEEE Trans. Aerosp. Electron. Syst. (2023)
Keyphrases
- covariance matrix
- spectral estimation
- covariance matrices
- minimum variance
- power spectrum
- image reconstruction
- frequency domain
- sample size
- principal component analysis
- signal processing
- geometrical interpretation
- synthetic aperture radar
- estimation error
- objective function
- robust optimization
- input image
- sar imagery
- feature extraction
- machine learning