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Heartbeat signal processing method, device and system

A technology of heartbeat signal and processing method, applied in the field of signal processing, can solve the problems of poor heartbeat signal processing accuracy and large error, and achieve the effect of accurate heart rate value, solving large error and removing interference.

Active Publication Date: 2018-11-16
深圳数联天下智能科技有限公司
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Problems solved by technology

[0005] The main purpose of the present invention is to provide a heartbeat signal processing method, device and system, aiming to solve the technical problems of poor accuracy and large errors in heartbeat signal processing

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  • Heartbeat signal processing method, device and system
  • Heartbeat signal processing method, device and system
  • Heartbeat signal processing method, device and system

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Embodiment Construction

[0054] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0055] The main solution of the embodiment of the present invention is: obtain the original waveform of the heartbeat signal, and obtain the peak and trough position information of the original waveform; then, obtain the respiratory curve according to the peak and trough position information of the original waveform; Remove the interference to obtain the heartbeat waveform; then, calculate the heart rate value based on the obtained heartbeat waveform.

[0056] Since the existing technology cannot effectively remove the interference of the respiratory signal, the error of the heart rate value obtained from the heartbeat signal is large.

[0057] The present invention provides a solution. By fitting the respiration curve, the interference caused by respiration on the original waveform is removed, and the problem of larg...

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Abstract

A heartbeat signal processing method, device and system. The method comprises: acquiring a heartbeat signal original waveform to obtain crest and trough position information about the original waveform (S10); performing fitting, according to the crest and trough position information about the original waveform, to obtain a breath curve, and removing interference to the original waveform by the breath curve to obtain a heartbeat waveform (S20); and obtaining a heart rate value through calculation according to the heartbeat waveform (S30). In the method, by fitting a breath curve, interference to an original waveform caused by breath is removed, solving the problem that a heartbeat signal is affected by a breath signal resulting in a large error, and an accurate heart rate value is obtained according to calculation of the heartbeat signal.

Description

technical field [0001] The present invention relates to the technical field of signal processing, in particular to a heartbeat signal processing method, device and system. Background technique [0002] At present, sleep monitoring mainly obtains people's heartbeat signals, breathing signals, etc. through radar infrared, ultrasonic detection, and piezoelectric sensors, and processes them to obtain various sleep parameters such as people's heart rate values ​​during sleep. Among them, the cost of radar infrared and ultrasonic detection methods is relatively high, and infrared or ultrasonic radiation will be generated, and the detection effect is not ideal. [0003] The principle of monitoring sleep parameters through piezoelectric sensors is to monitor the mechanical signals caused by chest contraction and expansion caused by breathing and heartbeat tremors of the subject through high-sensitivity piezoelectric film sensors, and then analyze the signals to obtain parameters suc...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/00A61B5/024
CPCA61B5/024G16Z99/00
Inventor 刘文
Owner 深圳数联天下智能科技有限公司
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