On 08/31/2010 01:48 PM, Joseph Wamicha wrote:
Hi Leech,
Thank you for your response. I'm using 2.4 GHz characterized antennas.
No I'm not feeding the signal directly into the USRP2. I have a 2.4GHz
resonant monopole antenna on the signal generator and another 2,
2.4GHz resonant antennas on both the RX and TX/RX SMA connectors of
the FLEX2400.
How close are the antennae?
What parameters did you pass to usrp2_fft.py? If you look closely at
the spectrum, it looks
*perfectly* symmetrical about DC, which should never be the case if
all the "pieces" agree
that this is a complex signal.
What happens if you tune usrp2_fft.py a few Khz away from 2.4GHz exactly?
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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