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We show that the most widely used blind equalization algorithm, the constant modulus algorithm, CMA, can be attracted during one convergence trajectory to the vicinity of more than one of the saddles in its error performance surface where it exhibits very slow convergence. We also establish bounds on the attraction and escape rates at a saddle and show that the saddles associated with lower energy...
This paper presents a broadband Self-tuning Active Noise Equaliser (SANE) which improves the existing ANE system to meet the practical requirements. By introducing a variable gain factor, the novel SANE has two functions: it can not only shape the residual noise spectrum as the existing ANE does, but it can automatically adjust the residual noise power as well. This algorithm is supported by computer...
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