Re: [Discuss-gnuradio] Problem receiving square wave

[Francesco B.]

A fair amount of the RF-specific resources there are textbooks I don't have
access to, though it's probably a transmission issue, honestly. However, the
code consists a modified version of gr_sig_source_c (saved under an
alternate name) and usrp_siggen.py, with hard-coded values for all wave
properties save for the sampling frequency removed from usrp_siggen, and the
new block assigning pseudo-random numbers to them within a range that should
be tolerable. I'm not finding glaring problems, and it should be at least
mostly working, but is not. Code here:

http://www.nabble.com/file/p20490559/randsig_source_c.cc randsig_source_c.cc 
http://www.nabble.com/file/p20490559/randsig_source_c.h randsig_source_c.h 
http://www.nabble.com/file/p20490559/randsig.i randsig.i 
http://www.nabble.com/file/p20490559/usrp_randsiggen.py usrp_randsiggen.py 



Brian Padalino wrote:
> 
> Is it really a reception issue, or more of a transmission issue?  Take
> a look at the frequency characteristics of some of these different
> waveforms, then look at your overall bandwidth of the signal you're
> able to transmit as well as the overall bandwidth of your received
> signal.
> 
> You may want to look at the Suggested Reading page on the wiki:
> 
>     http://gnuradio.org/trac/wiki/SuggestedReading
> 
> This will probably preemptively answer a lot of questions you have
> with regards to radio communications.
> 
> Brian
> 
> 
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