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Fast Fourier Transformation of a free decay

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aelara 2018-3-28

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https://ww2.mathworks.cn/matlabcentral/answers/391127-fast-fourier-transformation-of-a-free-decay

回答： Abhishek Ballaney 2018-3-29

Hello, I have this graph of the free decay and I want to apply fast Fourier transformation

The only data I have are the 2 columns needed to generate this plot. How can i apply fft on this and then plot it?

Thanks in advance.

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Abhishek Ballaney 2018-3-29

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https://ww2.mathworks.cn/matlabcentral/answers/391127-fast-fourier-transformation-of-a-free-decay#answer_312535

https://in.mathworks.com/help/matlab/ref/fft.html

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Signal Processing Signal Processing Toolbox Transforms, Correlation, and Modeling Transforms Discrete Fourier and Cosine Transforms

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