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Knowledge-Aided Covariance Matrix Estimation and Adaptive Detection in Compound-Gaussian Noise

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3 Author(s)
Bandiera, F. ; Dipt. di Ing. dell''Innovazione, Univ. del Salento, Lecce, Italy ; Besson, O. ; Ricci, G.

Let x be a signal to be sparsely decomposed over a redundant dictionary A, i.e., a sparse coefficient vector s has to be found such that x = As. It is known that this problem is inherently unstable against

Published in:

Signal Processing, IEEE Transactions on  (Volume:58 ,  Issue: 10 )