How to do a baseline correction
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Faezeh Manesh
il 25 Set 2019
Commentato: Hassan Nawazish
il 29 Giu 2020
Hello everyone,
I have an experimental data as shown in the figure, I need to do a baseline correction, in a way that the black line that I drew in the picture becomes horizental. Can any of you help me to do it in MATLAB?
1 Commento
David Hill
il 25 Set 2019
Looks like you know how exactly how the baseline needs to be adjusted. Just subtract the linear adjustment from your power array.
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Rik
il 25 Set 2019
You mean like a simple subtraction?
t=linspace(0,10,100);
bias=@(t) t/9;
P_fun=@(t) 0.1*(t-3).^2+sin(t/2)-0.85 +bias(t);
P=P_fun(t);
%subtract bias
P_new=P-bias(t);
plot(t,P,'b',t,bias(t),'k',t,P_new,'r')
1 Commento
Hassan Nawazish
il 29 Giu 2020
plot(ta,zeros(size(ta)),'r.-')
try this after plot command for your plot here ta is xaxis variable and you will get a horizontal baseline.'r' is representing the color.
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