This figure provides a short photoplethysmogram (PPG) signal.
The figure is adapted from slide 7 of: Peter H Charlton. (2018, August). Capitalising on Smart Wearables to Improve Health Monitoring. Zenodo. DOI: https://doi.org/10.5281/zenodo.1406011 . The figure was created using data from the 'BIDMC PPG and Respiration' dataset: https://doi.org/10.13026/C2208R . The MATLAB code used to create the figure is available at: https://github.com/peterhcharlton/images/blob/master/ppg_components_plot.m
Own work
Peterhcharlton