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Self-Similar Property of Random Signals: Solution of Inverse Problem
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Orientador(es)
Resumo(s)
Many random signals with clearly expressed trends can have selfsimilar properties. In order to see this self-similar property new presentation of signals is suggested. A novel algorithm for inverse solution of the scaling equation is developed. This original algorithm allows finding the scaling parameters, the corresponding power-law exponent and the unknown log-periodic function from the fitting procedure. The effectiveness of algorithm is tested in financial data revealing season fluctuations of annual, monthly and weekly prices. The general recommendations are given that allow the verification of this algorithm in general data series.
Descrição
Palavras-chave
Scaling equation Self-similar properties of random signals Inverse solution