Design and prototyping of a wristband-type wireless photoplethysmographic device for heart rate variability signal analysis.
2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)(2016)
摘要
Heart Rate Variability (HRV) signal analysis provides a quantitative marker of the Autonomic Nervous System (ANS) function. A wristband-type wireless photoplethysmographic (PPG) device was custom-designed to collect and analyze the arterial pulse in the wrist. The proposed device is comprised of an optical sensor to monitor arterial pulse, a signal conditioning unit to filter and amplify the analog PPG signal, a microcontroller to digitize the analog PPG signal, and a Bluetooth module to transfer the data to a smart device. This paper proposes a novel model to represent the PPG signal as the summation of two Gaussian functions. The paper concludes with a verification procedure for HRV signal analysis during sedentary activities.
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关键词
Wireless Reflectance Photoplethysmographic Sensor,Heart Rate Variability,Photoplethysmographic Signal Modeling,Design of a Photoplethysmographic Sensor
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