Need help with periodogram
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I am trying to turn this plot into a periodogram and I am not sure where to start... From frequencies 0.4Hz to 5 Hz Code:
clear,clc
load('DATA_01_TYPE01.mat')
A = sig;
x = A(2,1:1000)
t=1:1:1000;
subplot(3,1,1)
plot(t,x)
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