Scilab Function
Last update : 12/1/2004
dscr - discretization of linear system
Calling Sequence
- [sld [,r]]=dscr(sl,dt [,m])
Parameters
-
sl: syslin list containing [A,B,C,D].
-
dt: real number, sampling period
-
m: covariance of the input noise (continuous time)(default value=0)
-
r: covariance of the output noise (discrete time) given if m is given as input
-
sld: sampled (discrete-time) linear system, syslin list
Description
Discretization of linear system. sl is a continuous-time system:
dx/dt=A*x+B*u (+ noise).
sld is the discrete-time system obtained by
sampling sl with the sampling period dt.
Examples
s=poly(0,'s');
Sys=syslin('c',[1,1/(s+1);2*s/(s^2+2),1/s])
ss2tf(dscr(tf2ss(Sys),0.1))
See Also
syslin, flts, dsimul,