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This paper addresses the problem of the non unitary joint diagonalization of a given set of complex matrices. We focus on gradient based algorithms. A new algorithm based on a relative gradient approach is suggested. Its algorithmic complexity is established and the optimal stepsize is calculated algebraically at each iteration to decrease the number of iterations required to reach the convergence...
In this communication, we address the problem of the blind separation of convolutive mixtures of sources also known as blind equalization of linear time invariant multi-input multi- output systems in digital communications. The considered input signals are cyclo-stationary processes whose cyclic frequencies are not necessarily known. We propose a new method which, by some aspects, generalizes previous...
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