Question: Consider the system of Fig. P4.4-5. The filter transfer function is D(z). E(s) G(s) A/D Digital filter DIA Fig. P4.4-5 Express c(z) as a function

Consider the system of Fig. P4.4-5. The filter transfer function is D(z). E(s) G(s) A/D Digital filter DIA Fig. P4.4-5 Express (2) as a function of E G(s) C(s) (a) (b) A discrete

E(s) G(s) A/D Digital filter DIA Fig. P4.4-5 Express c(z) as a function of E G(s) C(s) (a) (b) A discrete state model of this system does not exist. Why? (c) What assumptions concerning e(t) must be made in order to derive an approximate discrete state model?

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