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A new second-order method for blind signal separation from dynamic mixtures |
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| Authors: | Yong Xiang [Author Vitae] Saeid Nahavandi [Author Vitae] [Author Vitae] Hong Zheng [Author Vitae] |
| Affiliation: | a School of Engineering and Technology, Deakin University, Geelong, VIC 3217, Australia b School of Electronic Information, Wuhan University, Hubei 430079, PR China |
| Abstract: | This paper presents a new approach to separate colored stationary signals mixed by convolutive channels. A cost function is proposed by employing linear constraint to the demixing vectors. The linear constraint is shown to be sufficient for avoiding trivial solution. The minimization of the cost function is performed using the Lagrangian method. Simulation results demonstrate the performance of the algorithm. |
| Keywords: | Blind signal separation Second-order statistics, FIR MIMO channels Linear constraint Colored signals Lagrangian function |
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