It sounds like he's looking for the digital equivalent of what would come out of a diode detector in an AM radio -- the Hilbert transform isn't going to help much, there.
On Fri, 2015-04-24 at 13:36 +0100, Mike Page wrote: > Hi Paul, > > > Usually the envelope is calculated via the magnitude of the Hilbert > transform. Check out Hilbert in the help. As usual there are some > caveats, but often this is close enough without further work. > > > HTH, > > Mike. > > > > On 24 April 2015 at 13:05, <paul.carr...@free.fr> wrote: > Dear All, > > I am absolutly not familiar with "signal processing" field, so > my question is probably naïve: how can I proceed to get the > envelop curve (maximum values) of a non periodic noisy > signal ? > > Thanks for any suggestion > > Have a good WE > > Paul > _______________________________________________ > users mailing list > users@lists.scilab.org > http://lists.scilab.org/mailman/listinfo/users > > > _______________________________________________ > users mailing list > users@lists.scilab.org > http://lists.scilab.org/mailman/listinfo/users -- Tim Wescott www.wescottdesign.com Control & Communications systems, circuit & software design. Phone: 503.631.7815 Cell: 503.349.8432 _______________________________________________ users mailing list users@lists.scilab.org http://lists.scilab.org/mailman/listinfo/users