I was able to gather results, and I am really confused with it. I generated a -30 dB signal based on the fft plot shown and transmitted it using a usrp. My spectrum analyzer received a signal at -50 dBm (-80 dB) and my receiver which also uses a usrp received the signal and plotted it at -30 dB. My question is, what is the unit of the fft plot? Is it dB or dBm?
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Best,
Gerome Jan M. Llames
Engineering Research and Development for Technology (ERDT) Scholar