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Using Fast Fourier Transforms for a received sine wave using usrp-2932

Using Fast Fourier Transforms for a received sine wave using usrp-2932

‎11-04-2021 09:41 AM

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Hello everyone,

I am trying to make FFT to sine wave that received through usrp-2932 with the parameters showed in the attachment, I found that the frequency of the received signal is shifted despite of using MIMO cable between the TX usrp and the RX usrp, is any one can give me an explanation to this and how I can receive the signal at the transmitted frequency ? 

TX.png

 

RX.png

 

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