Hi All,

Are there example octave code that shows different modulation schemes including quadrature modulation?

Thanks,

Hi,

You may easily find Matlab codes and convert them to Octave without much effort, I think. 

You may check these for Python,

http://ecee.colorado.edu/~mathys/ecen4652/labs.html

https://inst.eecs.berkeley.edu/~ee123/sp15/lab/lab6/Pre-Lab6-Intro-to-Digital-Communications.html