help me pllzz i want to remove the noise from the ppg signal with Fs=300

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ahmad jawabri 2013-12-28

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回答： Reza Nikfar 2020-4-23

i want re remove the noise with fs = 300

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Jan 2013-12-28

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Reza Nikfar 2020-4-23

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you can set LPF with 4 Hz cut_off frequency.sou you can use butter(3,4 / 150) and then filter it with a and b that gotten from butterworth filter.

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