Phase spectrum without knowing frequency
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Hi to Matlab Community!
I would appreciate if anyone knows if possible to phase a spectrum if you have only the x,y data. Namely if you look at the attached picture, I woyldl ike to ask you if there is any prossibilty to phase the below spectrum to look like the above???
Thnak you for your help!
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Star Strider
2019 年 8 月 15 日
The lower trace appears to be the negative derivative of the upper trace.
So integrating the negative of the lower trace and adding a constant-of-integration could approximate the upper trace. With only an image and no vectors to experiment with, this is as close as I can get.
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