I'll add one thing to Marcus' recommendation: turn on persistence in the scope widget. Then you've got a great eye-diagram!
Very Respectfully, Dan CaJacob On Thu, Feb 19, 2015 at 4:33 AM, Marcus Müller <marcus.muel...@ettus.com> wrote: > Hi Mostafa, > > yep, these are not GNU Radio core visualizations, but come with gr-baz. > You might be using a GNU Radio 3.6-compatible version of gr-baz instead of > one that works with GR 3.7. Make sure to install the master branch of > github.com/balint256/gr-baz , after removing all remnants of the gr-baz > version that you have. > > My hint regarding the eye diagram was just to build an eye diagram like > it's in the books [1]: An oscilloscope that is triggered on the symbol rate. > > Best regards, > Marcus > > [1]http://en.wikipedia.org/wiki/Eye_pattern > > On 02/19/2015 07:35 AM, Mostafa Alizadeh wrote: > > Hi Marcus, > > I'm using GNURadio 3.7.5.1. Under [Graphical Sinks], I have "Baudline > Sink" , "Fast AutoCorrelation Sink" and also "Eye diagram". It doesn't work! > > I didn't get your hint of creating an eye diagram :( > > Best, > Mostafa > > On Tue, Feb 17, 2015 at 9:39 PM, Marcus Müller <marcus.muel...@ettus.com> > wrote: > >> Hi Mostafa, >> >> which GNU Radio version are you using? >> GNU Radio itself (to my knowledge) doesn't come with a dedicated eye >> diagram, and it's possible that you're trying to use an out-of-tree module >> that was meant for another version of GNU Radio. >> You can try to emulate an eye diagram by using the Scope Sink, and >> triggering on a signal that has an edge on every symbol center. >> >> Best regards, >> Marcus >> >> >> On 02/17/2015 06:30 PM, Mostafa Alizadeh wrote: >> >> Hello, >> >> When I used eye diagram block (which seems to be a member of WxGUI >> class), the following error appeared: >> >> File "/usr/local/lib/python2.7/dist-packages/baz/eye.py", line 98, in >> __init__ >> self.st = gr.message_sink(gr.sizeof_float, msgq, dont_block=1) >> AttributeError: 'module' object has no attribute 'message_sink' >> >> >> what is the main problem? >> >> best, >> Mostafa >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing >> listDiscuss-gnuradio@gnu.orghttps://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> >> >> _______________________________________________ >> Discuss-gnuradio mailing list >> Discuss-gnuradio@gnu.org >> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio >> >> > > > -- > *********************************************************** > Department of Electrical Engineering > Aboureyhan Building > MMWCL LAB > Amirkabir University Of Technology > Tehran > IRAN > Tel: +98 (919) 158-7730 > LAB: http://ele.aut.ac.ir/~mmwcl/?page_id=411 > Homepage: http://ele.aut.ac.ir/~alizadeh/ > *********************************************************** > > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > >
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