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http://hdl.handle.net/11531/74283
Título : | Ordinal synchronization: Using ordinal patterns to capture interdependencies between time series. |
Autor : | Echegoyen Blanco, Ignacio Vera-Ávila, Víctor Sevilla-Escoboza, Ricardo Martínez, Johann Martín Buldú, Javier |
Fecha de publicación : | 19-dic-2018 |
Resumen : | -- We introduce Ordinal Synchronization (OS) as a new measure to quantify synchronization between dy- namical systems. OS is calculated from the extraction of the ordinal patterns related to two time series, their transformation into D-dimensional ordinal vectors and the adequate quantification of their align- ment. OS provides a fast and robust-to noise tool to assess synchronization without any implicit assump- tion about the distribution of data sets nor their dynamical properties, capturing in-phase and anti-phase synchronization. Furthermore, varying the length of the ordinal vectors required to compute OS it is pos- sible to detect synchronization at different time scales. We test the performance of OS with data sets coming from unidirectionally coupled electronic Lorenz oscillators and brain imaging datasets obtained from magnetoencephalographic recordings, comparing the performance of OS with other classical metrics that quantify synchronization between dynamical systems |
Descripción : | Artículos en revistas |
URI : | 10.1016/j.chaos.2018.12.006 http://hdl.handle.net/11531/74283 |
ISSN : | 0960-0779 |
Aparece en las colecciones: | Artículos |
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Fichero | Tamaño | Formato | |
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1-s2.0-S0960077918309081-main.pdf | 1,77 MB | Adobe PDF | Visualizar/Abrir |
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