On 7 November 2011 16:43, Alberto Cuadrado <a.cuadr...@gmail.com> wrote:
> Hello,
>
> I think there is a bug in the fir1 function in signal-1.0.11 (and probably
> also in 1.1.1 because I don't see significant changes in the code). The
> problem is that single-band lowpass filters returned by fir1 don't have a DC
> gain of 1. For example:
>
> octave-3.2.4:1> sum(fir1(240,0.01))
> ans =  1.1822
>
> That should return 1 (with low-order filters the problem is not so obvious).
>
> Regards
>
> Alberto Cuadrado

I can confirm that this still occurs in octave 3.4.3 with signal 1.1.
Do you think you can contribute a patch to fix this?

Carnë

------------------------------------------------------------------------------
RSA(R) Conference 2012
Save $700 by Nov 18
Register now
http://p.sf.net/sfu/rsa-sfdev2dev1
_______________________________________________
Octave-dev mailing list
Octave-dev@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/octave-dev

Reply via email to