[Hackrf-dev] hackrf_transfer samples importing problem

Abylay Ospan aospan at netup.ru
Sun Apr 5 12:13:14 EDT 2015


Hello,

I'm trying to import hackrf_transfer samples into gnuradio-companion
flowgraph but samples imported incorrectly (I see some offset between
i&q samples and values are not oscillating near zero). How to
correctly import i&q samples into gnuradio ? Seems like this question
should be in FAQ :)

Thanks !



Here is a screenshot of imported values and flowgraph:
https://drive.google.com/open?id=0B42eeYm8lE_qfjV0dUdSN1U4dTlXbTRLRlR2Tkg3a0FvQzZoMWdxRzlSWUJMcTdEZ29JV1k&authuser=0

Here is command to dump samples:
# hackrf_transfer -r /mnt/ram/iq.bin -f 110000000 -b 7000000 -a 0 -g
20 -x 20 -s 10000000 -n 200000000

# hackrf_info
netup:hackrf usb_device=0x188e750
Found HackRF board.
Board ID Number: 2 (HackRF One)
Firmware Version: 2014.08.1
Part ID Number: 0xa000cb3c 0x0054474c
Serial Number: 0x00000000 0x00000000 0x15d463dc 0x1818a025


-- 
Abylay Ospan,


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