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[Chemical Knowledge]：PPG detection methods and analysis techniques

Read： 308 Time：5months ago Source：Transform the World with Simplicity

With the increasing attention to health, a variety of biological signal detection technologies continue to emerge, among which PPG, as a non-invasive, convenient and practical biological signal acquisition technology, has attracted much attention. PPG technology collects optical signals on the skin surface through photoelectric sensors to monitor physiological parameters such as heart rate and blood oxygen saturation. The principle is that the photoelectric signal measured by the photoelectric sensor through the skin is associated with the skin color change caused by blood flow, so as to realize the measurement of parameters such as heart rate.

The detection methods of PPG mainly include traditional PPG and motion artifact suppression PPG. Traditional PPG usually extracts physiological parameters such as heart rate through signal processing and analysis after signal acquisition, but in the face of motion artifacts, the accuracy is greatly challenged. The motion artifact suppression PPG technology uses a special sensor design and signal processing algorithm to effectively suppress motion artifacts, improve signal quality and accuracy, and make it more reliable in practical applications.

In addition to the medical field, PPG technology is also gradually applied to health management and smart wearable devices. By combining technologies such as artificial intelligence, PPG can achieve more accurate health monitoring and forecasting. For example, the use of PPG technology combined with intelligent algorithms can achieve early warning of cardiovascular diseases, help people adjust their lifestyles and treatment plans in time, and prevent diseases.

The PPG technology can also be applied to fields such as motion monitoring and sleep monitoring. Through the analysis of the PPG signal during exercise, the monitoring of the amount of exercise, energy consumption and other indicators can be realized to help users to exercise scientifically. In terms of sleep monitoring, PPG technology can evaluate sleep quality by monitoring heart rate variability and other indicators, helping people improve sleep habits and sleep quality.

As a biological signal detection technology, PPG has broad application prospects. With the continuous development and improvement of science and technology, it is believed that PPG technology will play an increasingly important role in medical, health management and other fields, and bring new breakthroughs and progress to human health.

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