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finding the height of peaks in ppg signal

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Mayukh Biswas
Mayukh Biswas 2021년 6월 29일
댓글: Mayukh Biswas 2021년 6월 29일
how can i find the height of the highest peaks in this signal?

답변(1개)

Prakhar Rai
Prakhar Rai 2021년 6월 29일
You could use findpeaks() to find height of the highest peaks.
Please go through these documentations: findpeaks peakAnalysis
  댓글 수: 1
Mayukh Biswas
Mayukh Biswas 2021년 6월 29일
s11v2=xlsread('s11_v2_128Hz_ppg_happy.xlsx','Sheet1','A1:B8064');
time=s11v2(:,1);
amplitude=s11v2(:,2);
plot(time,amplitude);
num=[1 1 1 1 1 1 1 1];
den=[8 0];
y=filter(num,den,amplitude);
plot(time,amplitude,time,y);
xlim([0 5])
y1 = highpass(y,1,128);
figure
plot(y1)
findpeaks(y1)
i need the code to find the height of these peaks urgently

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