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The method of removing breathing baseline in pulse wave signal / 中国医疗器械杂志
Chinese Journal of Medical Instrumentation ; (6): 19-22, 2014.
Artículo en Chino | WPRIM | ID: wpr-259946
ABSTRACT
A method which combines empirical mode decomposition with wavelet transform is employed to remove breathing baseline draft from pulse wave signal. First of all, this method decomposes pulse wave signal into several intrinsic mode functions and judges the intrinsic mode function which contains the information of breathing baseline draft. And then wavelet transform is used to decompose these intrinsic mode functions, and the detail coefficients representing breathing baseline draft are set into zero. At last, the signal is rebuilt. This can realize removing breathing baseline draft. A self-developed measurement device was used to obtain the pulse wave signal for validating, and AC-DC modulation ratio value was adopted to evaluate the effect. The results showed that this method could effectively remove breathing baseline draft from pulse wave signal.
Asunto(s)
Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Respiración / Algoritmos / Oximetría / Métodos Idioma: Chino Revista: Chinese Journal of Medical Instrumentation Año: 2014 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Respiración / Algoritmos / Oximetría / Métodos Idioma: Chino Revista: Chinese Journal of Medical Instrumentation Año: 2014 Tipo del documento: Artículo