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How can I measure the average of a signal at specified time points?

Asked by Simon Kalita-de Croft on 19 Jul 2019
Latest activity Commented on by Star Strider
on 19 Jul 2019
Hello
I'm sure this is a simple fix, but how can I measure the average of a signal at specified x points?
E.g. I want to measure the mean at 0 - 0.2 in the below exampe, and then again at 0.5-0.7
What code should I use please?
Thanks
Screen Shot 2019-07-19 at 10.02.50 pm.png

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1 Answer

Answer by Star Strider
on 19 Jul 2019
 Accepted Answer

Try this:
t = ...; % Time Vector
s = ...; % Signal Vector
t1 = t <= 0.2;
t2 = (t >= 0.5) & (t <= 0.7);
s1 = mean(s(t1));
s2 = mean(s(t2));

  3 Comments

Hi Star
I am truly new to this.
Could you please explain what this means?
t = ...; % Time Vector
s = ...;
Thanks
S
Actually I got it.
Thank you very much Star!
S
As always, my pleasure!

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