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A method for measuring exercise heart rate and wearable device thereof

A measurement method and motion frequency technology, applied in diagnostic recording/measurement, medical science, diagnosis, etc., can solve the problems of ECG signal being easily interfered, Fourier transform calculations are large, heart rate accuracy is not high, etc., to achieve improvement Calculation accuracy, the effect of reducing the amount of calculation

Inactive Publication Date: 2019-01-22
SKY LIGHT ELECTRONIC (SHENZHEN) LIMITED CORPORATION
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Problems solved by technology

The oximeter is mainly suitable for static heart rate measurement, therefore, the accuracy of heart rate measurement during exercise is not high
In addition, the sports chest strap uses the principle of ECG measurement. Since the ECG signal on the body surface is relatively weak, the electrodes used in the sports chest strap are relatively large, and the sports chest strap needs to be close to the skin, so that it is uncomfortable to wear, and the heart rate is detected. The electrical signal is susceptible to interference, and the accuracy of the measured heart rate is not high
In addition, the small size of the sports earbuds, therefore, the signal strength is weak, so that the accuracy of the measured heart rate is not high
In addition, the sports wristband is subject to relatively large noise interference during exercise. For this reason, the Fourier transform is used to suppress the noise interference. However, the Fourier transform has a large amount of calculation, so that it is not suitable for the embedded system of the sports wristband middle

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  • A method for measuring exercise heart rate and wearable device thereof
  • A method for measuring exercise heart rate and wearable device thereof
  • A method for measuring exercise heart rate and wearable device thereof

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Abstract

Provided are a method for measuring an exercise heart rate, and a wearable device. The method comprises: presetting a heart rate zone comprising a plurality of heart rate subzones Bi; performing a peak detection respectively on a gathered heart rate signal and a gathered exercise signal to obtain a heart rate frequency, a first spectrum peak, an exercise frequency, and a second spectrum peak; calculating a heart rate weight C1 and an exercise weight C2 respectively by applying a preset rule to the first spectrum peak and the second spectrum peak; performing, according to the preset heart rate zone, frequency distribution processing respectively on the heart rate frequency and the exercise frequency obtained within a preset time period to obtain a heart rate frequency probability density P(Qi) and an exercise frequency probability density P(Gi) of each of the heart rate subzones Bi; and calculating a heart rate on the basis of the heart rate frequency probability density P(Qi), the exercise frequency probability density P(Gi) and an average of each of the heart rate subzones Bi and using the heart rate weight C1 and the exercise weight C2 as an input of a weighted average algorithm. The method reduces calculation complexity, and improves accuracy.

Description

technical field The invention relates to the technical field of mobile health, in particular to a method for measuring exercise heart rate and a wearable device thereof. Background technique Existing wearable devices for measuring heart rate mainly include oximeters, sports chest straps, sports earplugs and sports wristbands. The oximeter is mainly suitable for static heart rate measurement, therefore, the accuracy of heart rate measurement during exercise is not high. In addition, the sports chest strap uses the principle of ECG measurement. Since the ECG signal on the body surface is relatively weak, the electrodes used in the sports chest strap are relatively large, and the sports chest strap needs to be close to the skin, so that it is uncomfortable to wear, and the heart rate is detected. Electrical signals are susceptible to interference, and the accuracy of the measured heart rate is not high. In addition, the sports earbuds are small in size, and therefore, the sig...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/0245A61B5/11
CPCA61B5/0245
Inventor 杜凯萌傅荃炜邓志强
Owner SKY LIGHT ELECTRONIC (SHENZHEN) LIMITED CORPORATION