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How can i seperate AC and DC components from a pulse oximeter signal ?

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I am in need to separate AC and DC components of pulse oximeter signal, in order to eliminate the DC component.

  3 件のコメント

Sonali Vidhate
Sonali Vidhate 2018 年 10 月 8 日
I am trying to validate my algorithm and I need to find the AC and DC component of Spo2 signal. How do I do that?
Axel Flores
Axel Flores 2019 年 1 月 23 日
I have the same problem, can you help me out?
Robert Parker-Mason
Robert Parker-Mason 2020 年 2 月 28 日
You can use a Lowpass filter with no gain to get the DC signal. You then take the output of this filter and pass it to a highpass filter with a signficalty higher gain. This gain and filter will seperate and amply the AC signal for further processing.

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