How to apply IFFT in Matlab?

Question

Deepshikha Bhargava 2018-11-19

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https://ww2.mathworks.cn/matlabcentral/answers/430737-how-to-apply-ifft-in-matlab

评论： Star Strider 2018-11-19

Hi,

I am new to Matlab.

I have frquency domain data, in which, I have 2 sets of 31 numbers at 1.5 GHz frequency. I imported all the data ( 3 coloums and 31 rows) in microsoft excel. I want a code through which i can read this data in Matlab and apply IFFT and convert it into Time domain.

I have no idea how to do that. So can someone please share any link or tutorial with me or if can write me here.

Thanks in advance.

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Star Strider 2018-11-19

You have to have data continuously from 0 Hz to your highest frequency (apparently about 1.5 GHz), or the inverse Fourier transform cannot be made to work.

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