How to transform y1(t) to Y1(S) in frequency domain.

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vahid torabi on 20 Dec 2014

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Commented: vahid torabi on 20 Dec 2014

Accepted Answer: Image Analyst

y1 to Y1.JPG

By using of Fast Fourier Transform (FFT) in MATLAB,I want to transform y1(t) to Y1(S) in frequency domain.

How can I do that?

I have the y1(t) in workspace as .mat data.

I've attached a .JPG file.

Thank you so much

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Image Analyst on 20 Dec 2014

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Did you try

Y1 = fft(y1);

???

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vahid torabi on 20 Dec 2014

I want to plot Y1 ; how about the horizontal axis?

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