Hello Everyone,

I am new to using USRP . I am capturing samples on a CBX board using

“Uhd_rx_cfile -A “TX/RX” -r 20e6 -f 2412e6  -g 20 capture.dat  “    and read 
them into matlab using “load_samples(capture.dat)”

I have plotted the spectrum and I see that I get a peak at Fs/2 i.e at 10MHz. 
Correspondingly in time domain I see amplitude varying 
Every 1 sample. 

When I do uhd_fft at the same frequency I don’t see any peak at the same freq. 
I think I am making some mistake in writing into file using uhd_rx_cfile or 
reading back.

Can anyone suggest a method to fix this issue or reliably process the data 
offline?

Regards,
Yeswanth

Sent from Mail for Windows 10

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