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stat.AP2015★ 2 cited
Sparse Linear Models applied to Power Quality Disturbance Classification
Andrés F. López-Lopera, Mauricio A. Álvarez, Ávaro A. Orozco
Power quality (PQ) analysis describes the non-pure electric signals that are usually present in electric power systems. The automatic recognition of PQ disturbances can be seen as…
stat.AP2011
Band-phase-randomized Surrogates to assess nonlinearity in non-stationary time series
Diego Guarin, Edilson Delgado, Alvaro Orozco
Testing for nonlinearity is one of the most important preprocessing steps in nonlinear time series analysis. Typically, this is done by means of the linear surrogate data methods.…