"perecillo" <perecillo@gmail.com> wrote in message 
news:0Zednf8axY8ZB73anZ2dnUVZ_gmdnZ2d@giganews.com...
> Is it possible to use the Wiener filter theory  to predict a signal with 
> no
> zero mean?
> Thanks

No.  Not as I understand it at least.  See Kalman filter perhaps....

Fred 

Is it possible to use the Wiener filter theory  to predict a signal with no
zero mean?
Thanks