科研之友
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摘要
We propose an index to measure cooperation among different time-series based on the Renyi entropy of the eigenvalues of the signal correlation matrix and an optimization step. The index could be considered as a generalization of a previously known index, based instead on the Shannon entropy. The extension to Renyi entropy and the optimization step allow a better use of the information conveyed by the correlation matrix, especially when dealing with a small number of signals.
- 出版日期2012-7
