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10 October 2020 BCG signal processing based on advanced LMS filter for optical fiber monitor
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Abstract
Heart Rate Variability (HRV) analysis is an important tool for health monitoring. A non-invasive smart health monitoring system based on optical fiber interferometer can get HRV information from the Ballistocardiogram (BCG) signal. For some patients, the HRV can hardly be calculated due to the interferences from breath and other vibrations. In this research, we obtain a stable and high-sensitive BCG signal by a Mach-Zehnder interferometer (MZI) based sensor. In order to reduce the noise in signal, we introduce an advanced least mean squares (LMS) adaptive filter into the procedure. We use the signal processed by a bandpass filter as the ‘desired signal’ to deal with the raw data and obtain a preferable output for HRV calculation.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Yifan Liu, Wei Xu, and Changyuan Yu "BCG signal processing based on advanced LMS filter for optical fiber monitor", Proc. SPIE 11547, Optoelectronic Devices and Integration IX, 115471P (10 October 2020); https://doi.org/10.1117/12.2575310
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