PPG signal based respiratory rate measurement method and device
A measurement method and measurement device technology, which are applied in the directions of diagnostic recording/measurement, medical science, sensors, etc., to achieve the effect of wide usage scenarios and fast measurement
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[0048] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0049] An embodiment of the present invention provides a method for measuring respiration rate based on a PPG signal. The PPG is photoplethysmography (PhothPlethysmoGraphy, PPG). The detection method is to obtain the volume pulse wave by detecting the change of blood volume in the arterioles and capillaries. The PPG signal is a composite signal, mainly composed of 5 frequencies distributed i...
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