estimate damping factor of waveform

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Hossam Selim le 20 Nov 2014

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https://fr.mathworks.com/matlabcentral/answers/163510-estimate-damping-factor-of-waveform

Modifié(e) : Hossam Selim le 20 Nov 2014

sample waveform that needs damping ratio calculation.fig

Gents, I have got some waveforms in time domain out of oscilloscope. each waveform has different shapes and frequency contents with multiple peaks.I need damping factor for each peak to be estimated. I don't have transfer function equation and don't have parameters. I need to estimate the damping ratio from the waveform oscillations shape only. Appreciate your kind assistance.

Best Regards, Hosam