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 <http://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 list > Discuss-gnuradio@gnu.org > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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