I think I had this problems some time ago and wrote a quick and dirty time
differentiator. Attached TAZ. -- Shuki
On Wed, Nov 4, 2020 at 8:50 AM Dominique ROUSSET <
dominique.rousset(a)univ-pau.fr> wrote:
Hi,
I agree with you.
Comparing the outputs of
suvibro f1=0.5 f2=0.5 | suxgraph style=normal width=1500 title=normal
suvibro f1=0.5 f2=0.5 | suop of=diff | suxgraph style=normal width=1500
title=normal
it looks like there is an absolute value somewhere in the data flow.
Notice that abs is the default option. So, I suspect a bug....
The code needs to be checked.
D.
On 04/11/2020 17:16, vld3 wrote:
Hello everyone
I would like to apply a derivative to a signal.
I made a test with a simple cosine (created with suvibro) applying suop op=diff ... but I
didn't get a sine. Why?
thanks in advance
-- luca
_______________________________________________
Seisunix mailing
listSeisunix@mailman.seismic-unix.orghttps://mailman.seismic-unix.org/listinfo/seisunix
--
|Dominique Rousset LFCR UMR5150 / E2S UPPA / Dpt des géosciences|
|Univ. Pau et des Pays de l'Adour BP 1155 F-64013 Pau Cedex - France|
|mailto:dominique.rousset@univ-pau.fr <dominique.rousset(a)univ-pau.fr> jami:drousset
http://lfc.univ-pau.fr|
|Off: +33 559 407 423|Cell: +33 660 861 391|xmpp: dominique(a)rousset.nom.fr|
_______________________________________________
Seisunix mailing list
Seisunix(a)mailman.seismic-unix.org
https://mailman.seismic-unix.org/listinfo/seisunix