transfer functio S to z
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how can i change this function transfer f(s) to function f(z)
f(s)= 2^-s / (1+s)^2
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Mathieu NOE
el 6 de Oct. de 2020
help c2dm
help c2dm
C2DM Conversion of continuous LTI systems to discrete-time.
[Ad,Bd,Cd,Dd] = C2DM(A,B,C,D,Ts,'method') converts the continuous-
time state-space system (A,B,C,D) to discrete time using 'method':
'zoh' Convert to discrete time assuming a zero order
hold on the inputs.
'foh' Convert to discrete time assuming a first order
hold on the inputs.
'tustin' Convert to discrete time using the bilinear
(Tustin) approximation to the derivative.
'prewarp' Convert to discrete time using the bilinear
(Tustin) approximation with frequency prewarping.
Specify the critical frequency with an additional
argument, i.e. C2DM(A,B,C,D,Ts,'prewarp',Wc)
'matched' Convert the SISO system to discrete time using the
matched pole-zero method.
[NUMd,DENd] = C2DM(NUM,DEN,Ts,'method') converts the continuous-
time polynomial transfer function G(s) = NUM(s)/DEN(s) to discrete
time, G(z) = NUMd(z)/DENd(z), using 'method'.
See also: C2D, and D2CM.
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