estimate damping factor of waveform

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Hossam Selim
Hossam Selim on 20 Nov 2014
Edited: Hossam Selim on 20 Nov 2014
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

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