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Re: [Discuss-gnuradio] Phase correction
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From: |
Matt Ettus |
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Subject: |
Re: [Discuss-gnuradio] Phase correction |
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Date: |
Wed, 27 Jul 2011 12:03:54 -0700 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.18) Gecko/20110621 Fedora/3.1.11-1.fc14 Lightning/1.0b3pre Thunderbird/3.1.11 |
On 07/27/2011 07:58 AM, Marcus D. Leech wrote:
> I'm looking into updating some of my interferometer code to work with
> newer hardware, like DBS_RX2, which will have unpredictable
> phase offsets between LOs.
>
> I played with the fractional interpolator a little while ago, to use for
> phase-correcting one half of the interferometer. Is there a better
> method to use?
>
You don't need to do fractional interpolation. Just phase rotation
(complex multiply).
Matt