8.1 Obtaining the inverse z-transform of the following function by partial-fraction expansion method, power-series method and inversion or residue method.
8.2 Solving the following difference equation using z-transform method.
8.3 Determining the impulse transfer function G(z) of the closed-loop discrete system or the
z-transform C(z) of output.
8.4 Considering the unit feedback error-sampled discrete system shown in the following figure,
1G(s)，the transfer function , the input signal r(t)=1(t), the sampling period T=1s. 2;；ss？5
a. the z-transform C(z) of the output;
b. the output response c*(t);
c. the final value c(?) of the output response
8.5 Considering the sampling system shown in the following figure, where T=0.2s, K=10, r(t)=
21+t+t/2. Determining the steady-state error e(?) by the final theorem of ss