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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
RAMIREZ-PACHECO, J.; RIZO-DOMINGUEZ, L.; TREJO-SANCHEZ, J.A. y CORTEZ-GONZALEZ, J.. A nonextensive wavelet (q,q´)-entropy for 1/𝑓α signals. Rev. mex. fis. [online]. 2016, vol.62, n.3, pp.229-234. ISSN 0035-001X.
This paper proposes a nonextensive wavelet -entropy computed as a wavelet-domain generalization of the time-domain entropy of Borges and obtains a closed-form expression of this measure for the class of signals. Theoretical wavelet -entropy planes are obtained for these signals and the effect of parameters and on the shape and behaviour of these wavelet entropies are discussed with sufficient detail. The relationship of this entropy with Shannon and Tsallis entropies is studied and some applications of the proposed two-parameter wavelet entropy for the analysis/estimation of signals are outlined.
Palabras llave : Nonextensive entropies; wavelet information tools; 1=f α signals.