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Re: [Discuss-gnuradio] Adjusting IQ balance for audio sources
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From: |
Marcus D. Leech |
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Subject: |
Re: [Discuss-gnuradio] Adjusting IQ balance for audio sources |
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Date: |
Mon, 06 May 2013 08:02:29 -0400 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.24) Gecko/20111108 Fedora/3.1.16-1.fc14 Thunderbird/3.1.16 |
I'm wondering what block GnuRadio offers to adjust IQ balance to
maximize image rejection from an audio source. Is there a block
available, or a description of a (perhaps manual) algorithm I can
implement with existing blocks?
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I've attached something that I used a while back to manually adjust I/Q
balance.
Also, the gr-osmosdr folks have an automatic IQ corrector "add on":
See this mailing list discussion:
https://lists.gnu.org/archive/html/discuss-gnuradio/2013-03/msg00245.html
--
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org
iq_balance.grc
Description: application/gnuradio-grc