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smoothing parameter periodicity value

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Matlabbey
Matlabbey 2012-8-19
关闭： MATLAB Answer Bot 2021-8-20
hi,
im using a filter that has a smoothing parameter. this is based on periodicity of data. my data is not periodic though.it is sampled at a constant rate though...how can i find periodicity? its a simple question but i have tried many of the how to on matlab and cant seem to figure it out...please help if you know
thanks you!!
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Sven
Sven 2012-8-19
1. "my data is not periodic"
2. "how can i find periodicity?"
Nobody will be able to help with this kind of question unless you describe (or show!) your actual data.

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回答（1 个）

Image Analyst
Image Analyst 2012-8-20
Did you try the FFT? That will tell you how much of each "period" of sine wave exists in your signal.

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