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Basic question on Fourier transform

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yasine79

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hi all!

i use two antenna (Transmitter and reciever) to caracterize some materials. i use a sweep of 30 frequencies in the frequency range:f=[5 6]GHz. what should i get when i want to get the ifft of this sweeps?

the VNA send f1,f2......f30 successively. that mean in the time damain cos(2*pi*f1*t) ,cos(2*pi*f2)......cos(2*pi*f30).

is this true?

mybe you could help me to understand this.

thank you
 

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