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Doubly Covariance Matrix Reconstruction Based Blind Beamforming for Coherent Signals.
Zhuang Xie
Chongyi Fan
Jiahua Zhu
Xiaotao Huang
Published in:
Sensors (2020)
Keyphrases
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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