Heart rate estimation method and device for wearable heart rate monitoring equipment
A heart rate monitoring and heart rate technology, applied in the field of biomedical signal processing, can solve problems such as excessive dependence on rules and unstable performance, and achieve the effect of high heart rate accuracy and low computational complexity
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[0038] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the implementation methods and accompanying drawings.
[0039] see figure 1 , 2, The wearable heart rate monitoring device of the present invention includes a signal acquisition unit, a signal preprocessing unit, a signal denoising unit, a heart rate calculation unit and an output unit.
[0040] Wherein, the signal acquisition unit includes a photoplethysmography sensor and a motion sensor, which are used to collect source signals (including the original pulse wave signal and the original motion signal of the subject in motion. The source signal used in this embodiment is obtained by photoelectric The sensor and the three-axis acceleration sensor are collected on the wrist of the subject, and the signal sampling frequency is 125Hz), and input to the signal preprocessing unit for signal prepr...
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