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- W1979366158 abstract "Existem varios metodos convencionais para deteccao e analise de semelhanca entre sinais e ou series temporais. Estes metodos podem ser utilizados no dominio do tempo ou no dominio da frequencia. Entretanto, mostram-se ineficientes quando aplicado na analise de sinais ou series de natureza nao-estacionaria [4]. A limitacao desses metodos na analise de sinais nao-estacionarios possibilitou o desenvolvimento de diversas tecnicas de processamento de sinais como tempo-frequencia (Transformada Rapida de Fourier) e tempo-escala (Transformada Wavelet). A Transformada de Wavelet (WT) e um metodo efetivo para o processamento de sinais e analise de series temporais do tipo estacionarios e nao-estacionarios [4,5]. A partir dos estudos da Transformada Wavelet foram desenvolvidos o metodo do Espectro Cruzado Wavelet (Wavelet Cross Spectrum) e a Coerencia Wavelet (Wavelet Coherence) [8]." @default.
- W1979366158 created "2016-06-24" @default.
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- W1979366158 date "2011-01-01" @default.
- W1979366158 modified "2023-10-03" @default.
- W1979366158 title "DETECÇÃO DE CORRELAÇÃO ENTRE SÉRIES TEMPORAIS UTILIZANDO ESPECTRO CRUZADO WAVELET E COERÊNCIA WAVELET" @default.
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- W1979366158 doi "https://doi.org/10.5540/dincon.2011.001.1.0181" @default.
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