Autoregressive Power Spectrum-Based Covariance Matrix Reconstruction for Robust Adaptive Beamforming.
Huichao YangLinjie DongPublished in: Circuits Syst. Signal Process. (2024)
Keyphrases
- covariance matrix
- autoregressive
- power spectrum
- frequency domain
- covariance matrices
- natural images
- non stationary
- principal component analysis
- sample size
- random fields
- spatial domain
- image reconstruction
- correlation matrix
- sar images
- feature extraction
- subband
- dimensionality reduction
- denoising
- objective function
- higher order
- density function
- high resolution