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I have a file saved in matlab workspace. I want to find out the FFT of that stored data? How can i do that

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Sachin Hegde
Sachin Hegde on 27 Sep 2016
Edited: Sachin Hegde on 5 Oct 2016
I have a simulink scope data stored in Matlab Workspace. i wan to find out the FFT of that stored data which contains time and Signal values. Please help me.

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Answers (1)

Fangjun Jiang
Fangjun Jiang on 28 Sep 2016
There is a MATLAB function called fft().
help fft
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Sachin Hegde
Sachin Hegde on 28 Sep 2016
Edited: Sachin Hegde on 5 Oct 2016
Thank you for your answer. I have tried using that. For Explanation, I have the time stored in a varibale "t" and values of the signals are stored in variable "d". What code should I write if I want to compute FFT Analysis as shown with the attached Image.

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