A Power Iteration Algorithm for ICA Based on Diagonalizations of Non-Linearized Covariance Matrix
ICICIC '06 Proceedings of the First International Conference on Innovative Computing, Information and Control - Volume 2
Underdetermined convolutive blind source separation via time-frequency masking
IEEE Transactions on Audio, Speech, and Language Processing
Blind source separation based on time-frequency signalrepresentations
IEEE Transactions on Signal Processing
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In this paper, a novel blind separation approach using power spectral density(PSD) is presented. The power spectrum itself is the Fourier transform of the auto-correlation function. Auto-correlation function represents the relationship of long and short-term correlation within the signal itself. This paper using power spectral density and cross power spectral density separate blind mixed source signals. In practice, non-stationary signals always have different PSD. The method is suitable for dealing with non-stationary signal. And simulation results have shown that the method is feasible.