MATLAB Answers

peaks detection

5 views (last 30 days)
Flavia
Flavia on 23 Aug 2011
Answered: Sushranth on 21 Jun 2021
hi, i need to get the peaks and time from my signal. I have no idea how can i do this. Can someone hlep me? thaks, Flavia
hi,
i need to get the peaks and time from my signal. I have no idea how can i do this. Can someone help me?
thaks,
Flavia
i=sqrt(-1);
f=0.1; %Hz
fs=1000;% Sampling in Hz
ta=1/fs;
t=0:ta:100;
T=10;
U=100*sqrt(2)*sin(2*pi*f*t); %V
c=1e-6; %F
C=-2*pi*f*c*i;
R=15e6*(1+exp(-(t/T+log(5/3))))-14e6; %Ohm
Y=(1./R)+C;
Z=1./Y;
I=c*(gradient(U)/ta)+(U./R);
plot(t,I/2e-7,'r');

Answers (1)

Sushranth
Sushranth on 21 Jun 2021
You can use the findpeaks function. Check the below link for it's documentation.

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by