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Pulse Signal Quality Estimation and Filtering Based on Cyclostationary Algorithm / 中国医疗器械杂志
Chinese Journal of Medical Instrumentation ; (6): 83-86, 2015.
Article in Chinese | WPRIM | ID: wpr-310268
ABSTRACT
In order to reduce the impact of various noise in pulse signal, the quality estimation and filtering algorithms based on cyclostationarity are proposed to reprocess pulse signal. First, A quality evaluation index of pulse signal which named quality factor is defined by cyclic spectrum to describe the quality variation of the pulse signal affected by noise; Second, a cyclic correlation matched filter (CCMF) is designed to remove noise. The simulation of pulse signal is produced by ourselves and noise signal is provided by MIT-BIH physiological database are used to test the function of proposed method, and then the method is applied to the actual pulse signal. The results show that the quality factor can accurately reflect the quality of the pulse signal and the CCMF can effectively remove noise from pulse signal.
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Algorithms / Databases, Factual / Heart Rate Type of study: Prognostic study Limits: Humans Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Algorithms / Databases, Factual / Heart Rate Type of study: Prognostic study Limits: Humans Language: Chinese Journal: Chinese Journal of Medical Instrumentation Year: 2015 Type: Article