How to calculate the duty cycle of a time signal in a for loop?

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Hi All,
I have multiple time signals and like to compute their duty cycles automatically within a "for loop". For example the duty cycle of the following signal is 74.29%. The signal is attached and the sample rate is 15360000.
Assume I have a bunch of these signals. How can I calculate the ratio of the pulse width (duration of the on state) to the pulse period (the total duration of an on-and-off state) for each signal in a for loop?
Thanks in advance!

Accepted Answer

Walter Roberson
Walter Roberson on 14 Mar 2023
load waveform
wr = real(waveform);
wi = imag(waveform);
subplot(2,1,1); plot(wr); ylabel('real');
subplot(2,1,2); plot(wi); ylabel('imag');
mr = movmedian(wr, 5);
mi = movmedian(wi, 5);
mean(abs(mr)<0.01) * 100
ans = 74.2301
mean(abs(mi)<0.01) * 100
ans = 74.4255

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