Interference-plus-Noise Covariance Matrix Reconstruction via Spatial Power Spectrum Sampling for Robust Adaptive Beamforming.
Zhenyu ZhangWei LiuWen LengAnguo WangHeping ShiPublished in: IEEE Signal Process. Lett. (2016)
Keyphrases
- power spectrum
- covariance matrix
- frequency domain
- sample size
- natural images
- covariance matrices
- estimation error
- power spectral
- signal noise ratio
- principal component analysis
- geometrical interpretation
- correlation matrix
- objective function
- density function
- feature extraction
- model selection
- denoising
- object recognition
- image reconstruction