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how to find damping coefficient sinewave by curvefitting

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prianka shukla
prianka shukla 2016-2-23
评论： KSSV 2016-2-23
i have 2 values,one of them is time value i put it in curve fitting,it is a sine wave signal but i need to find equations for damping coefficient and frequency for each cycle of signal.any help?
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KSSV
KSSV 2016-2-23
Have you heard about logarithmic decrement method? You have signal in your hand, Why you want to fit a curve?

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