create an envelop for one oscillating curve

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Alaa Hameed
Alaa Hameed 2017년 3월 23일
댓글: Alaa Hameed 2017년 3월 24일
Hello, I have a data set for a displacement response of vibrating body. I need to characterize the decay increment of it. As initial step I need to know the function of the curve that envelop that response. It looks like this:
So I need to fined a function that passes through the tip points. NOTE: The data is a signal output, that is mean it is not smooth and have spikes! Thanks,

답변 (1개)

Greg Dionne
Greg Dionne 2017년 3월 24일
If you have the Signal Processing Toolbox, try ENVELOPE.

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