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Variable step-size sign natural gradient algorithm for sequential blind source separation
IEEE Signal Process. Lett., no. 8 (2005): 589-592
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Abstract
A novel variable step-size sign natural gradient algorithm (VS-S-NGA) for online blind separation of independent sources is presented. A sign operator for the adaptation of the separation model is obtained from the derivation of a generalized dynamic separation model. A variable step size is also derived to better match the dynamics of th...More
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