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The collected spikes from extracellular recordings usually contain noisy data and outliers, which make it difficult to separate them. A method for spike sorting based on robust clustering is proposed to deal with the problem. The clustering method combines the advantage of fuzzy clustering and robust statistical estimators. The number of dusters is obtained by fuzzy cluster validity. In order to reduce the influence of outliers, the validity index is calculated using the weighting intra-cluster distances. The proposed method is suitable to separate neural spikes in the presence of noisy data and outfiers. The experiment on real data shows its performance. 相似文献
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本文将 2 D线性连续 离散系统理论应用于连续线性迭代学习控制系统中 ,给出能很好反映迭代学习控制过程的数学模型 2 D线性连续 -离散系统Roessor模型。在 2 D系统理论上证明了D型闭环迭代学习控制律的收敛性。根据该理论设计的闭环迭代学习控制器 ,受到的限制较小。 相似文献
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