Has anyone look at the way sdrsharp does automatic I/Q balance correction?
It seems to iterate over an FFT, looking to maximize the difference
between bins and their images. But that badly fails when the *incoming
signal*
has symmetric spectral features--the algorithm could badly screw up
and remove spectral features that are *there in the signal*, rather than
being images present due to poor I/Q balance.
But it's late, and I'm not sure if I'm interpreting this optimization
strategy correctly:
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
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