How to use inverse fourier transform on a sinc signal? I need to calculate the IFT on X(ω)= 2sinc(ωT/pi); in the image below it's shown the code for the FT

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Florea George am 8 Jan. 2019

this image if the code for fourier transform that i know for a given signal. i do not know how to use this nor i understood any of it.

any explanation is welcome. thank you

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How to use inverse fourier transform on a sinc signal? I need to calculate the IFT on X(ω)= 2*sinc(ω*T/pi); in the image below it's shown the code for the FT