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Re: [Discuss-gnuradio] I could use guidance


From: Marcus D. Leech
Subject: Re: [Discuss-gnuradio] I could use guidance
Date: Fri, 16 Nov 2012 17:14:59 -0500
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

Hello,

I created a noise source and a tcp sink (server).  I connect to it with SDR# (on another machine) and get plenty of noise.  Next I created a signal source of 1khz and add that to my noise source.  The unexpected result:  carriers all over the spectrum.  None of which are at 1khz.

You're probably having a good laugh.  You're welcome.

I'd like to modulate the amplitude of a carrier and drop that into a randomly-generated noise floor. And I'd like to stream the whole thing to sdr-software across the network.  Are my expectations too wild?  Is this possible?

Thanks for your time,
Ashworth




_______________________________________________ Discuss-gnuradio mailing list address@hidden https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
WHat does the attached flow-graph produce for you?

My guess is that you have the amplitudes set so that they're saturating whatever SDR# is doing with the I/Q signal from the TCP
  channel, or that it's a typing/endianness issue.



-- 
Marcus Leech
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org

Attachment: noise_signal.py
Description: Text Data


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