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Transfer Function Estimates in Derived Respiration Analysis: Retrograde Study of the Respiratory Drive Mechanism

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We extracted several respiratory components from electrocardiography and photoplethysmography to investigate respiratory drive mechanism. Transfer function analysis was used to compare the derived respiration to the reference respiration measured from nasal airflow to validate suitability of derived respiratory components. Magnitude squared coherence estimate (MSCE) and phase spectrum were calculated to investigate the significance and phase difference, respectively. From the experiment, it was validated that every derived respiration has high significance (MSCE > 0.5) from the transfer analysis estimates. Moreover, phase difference, a time relationship between respirations, showed that respiratory components have the sequential relationship.
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Keywords: DERIVED RESPIRATION; ELECTROCARDIOGRAM; PHOTOPLETHYSMOGRAPHY; RESPIRATORY MECHANISM; TRANSFER FUNCTION ANALYSIS

Document Type: Research Article

Publication date: 2012-03-01

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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