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422 STATE SPACE ANALYSIS [CHAP. 7
Am.
7.57. Consider the discrete-time LTI system shown in Fig. 7-25.
(a) Find the state space representation of the system with the state variables q,[n] and q2[n]
as shown.
(b) Find the system function H(z).
(c) Find the difference equation relating x[n] and y[n].
Fig. 7-25
