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RMS of sampled signal

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carlo mars
carlo mars le 25 Jan 2016
Commenté : dpb le 19 Juil 2024
I have a signal sampled at 5000 samples per second . and I have 5 second . plz help me to find the RMS value of the ac component of the waveform of this signal

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Walter Roberson
Walter Roberson le 25 Jan 2016
ac_signal = YourSignal - mean(YourSignal(:));
rms = sqrt( mean(ac_signal.^2) );
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dpb
dpb le 19 Juil 2024
Stumbled on this from suggested links -- beginning with R2012a the Signal Processing TB contains rms which was subsequently moved into MATLAB proper with R2022a.

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