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how to measure frequency in a iq signal


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Posted

Hi everybody!!

Well, i think this isn`t the real place to ask this question, but i could't find a better one. My doubts is more relative to the teory and is basic what i wrote in the title.

How i measure the frequency in a IQ signal (by some experimentals, i think that is just do the FFT of the real part, but, why??)? If anyone can indicate me any material that explains all the theory about IQ signal i will be glad.

Thanks for everybody and sorry for the bad english.

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