On Wednesday 16 June 2010, Rubén Gómez Antolí wrote: > I have a signal with harmonics and distorsion and I want to > get the RMS waveform of it. > > I check some tools, including engines and post-proccesors, > with no success: Oscopy, Ngspice, Gnucap, Octave, KJWaves. > > Anyones knows or have some idea?
The Gnucap measure command? http://gnucap.org/dokuwiki/doku.php?id=gnucap:manual:commands:measure http://gnucap.org/dokuwiki/doku.php?id=gnucap:manual:measure:mean The rms value, for the entire run: measure sample = rms(probe="v(out)") The rms value, between two pre-specified time points: measure sample = rms(probe="v(out)" begin=4u end=6u) The rms value of a waveform, between the last two rising zero- crossings. measure t2 = cross(probe="v(out)" cross=0 rise last) measure t1 = cross(probe="v(out)" cross=0 rise last before=t2) measure rmsvalue = rms(probe="v(out)" begin=t1 end=t2) _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
