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Re: [Discuss-gnuradio] Does DDC perform complex multiplication?
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From: |
Eric Blossom |
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Subject: |
Re: [Discuss-gnuradio] Does DDC perform complex multiplication? |
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Date: |
Mon, 7 Apr 2008 12:43:54 -0700 |
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User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Mon, Apr 07, 2008 at 12:15:50PM -0700, Chris Stankevitz wrote:
>
>
> I found two diagrams which seem to indicate different kinds of
> multiplication:
>
> http://www.nd.edu/~jnl/sdr/docs/tutorials/6.jpg
>
> http://www.gnu.org/software/gnuradio/doc/ddc.png
>
> I hope the DDC performs complex multiplication because I am feeding it with
> one real signal (via BasicRX A:0) and would like to use both I and Q
> outputs in my application.
>
> Chris
It performs the equivalent of complex multiplication.
Eric