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Re: [Help-gnucap] Simple simulation, cannot get "generator" to work
From: |
Johannes Bauer |
Subject: |
Re: [Help-gnucap] Simple simulation, cannot get "generator" to work |
Date: |
Wed, 09 Jul 2008 17:39:30 +0200 |
User-agent: |
Thunderbird 2.0.0.14 (X11/20080514) |
Sorry for the late reply - I responded to this post earlier, but didn't
notice that it was going to John only. Here my response again to the
mailing list:
John Vodden schrieb:
>> What am I doing wrong?
>
> Are you sure that you are only changing the frequency? This is the sort
> of output you often get if you choose a simulation timestep that is
vastly too
> long for the simulation, for instance longer than the period of the
> signal that you are trying to reproduce.
Yes, I really only changed the frequency.
However, you were exactly right with your assumption that the simulation
timestamp was too long. I chose (shame on me) 0.01 seconds which yields
a maximum sensible signal frequency of 50 Hz. That the 4,7 kHz worked
was probably just some aliasing effect.
Thanks for the pointer...
Kind regards,
Johannes