Hi
I'm trying to do a basic spectrum sense
with a USRP N210 kit and gnuradio.
I made a literature
research and noted that the “usrp_spectrum_sense.py” code was
used in some articles. But when transmit some
signal in a certain frequecy and execute the
“usrp_spectrum_sense.py”, the signal is found by the code, but it
appears in another frequency (usually about 1Mhz ahead). And also the
bandwidth of the received signal is different from the transmited
signal (It seems it depends of the sample rate of the transmited the
signal).
sudo ./usrp_spectrum_sense.py 699M 702M --fft 512 and execute the
"uhd_tx_dpsk.grc" in gnuradio to transmit the signal from 700.2M tom 700.4M.
The signal is detected in 700.7M to 701M.
Thanks
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