Doubly Covariance Matrix Reconstruction Based Blind Beamforming for Coherent Signals.

Zhuang Xie Chongyi Fan Jiahua Zhu Xiaotao Huang

Published in: Sensors (2020)

Keyphrases

covariance matrix
covariance matrices
principal component analysis
blind source separation
sample size
gaussian mixture
mahalanobis distance

geometrical interpretation
pseudo inverse
independent component analysis
signal processing
direction of arrival
positive definite
eigendecomposition

eigenvalues and eigenvectors
correlation matrix
image reconstruction
frequency domain
class conditional densities
cma es
multivariate gaussian

transformation matrix
symmetric matrix
sound source
face recognition
reconstruction error
estimation error