a) A discrete-time signal, x[n], is defined by, 1, n = 0,1,2 x[n] = -1, 0,...

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a) A discrete-time signal, x[n], is defined by, 1, n = 0,1,2 x[n] = -1, 0, n = -1,-2 elsewhere b) Sketch: i) x[n] ii) x[n+6] iii) x[2n+3] [2 marks] [2 marks] [2 marks] Consider the interconnection of Linear Time-Invariant systems as shown in Figure 2. Determine the transfer function, C[s], of the overall system. R(s) + Vi(s) V(s) V(s) Va(s)s(s) C(s) G(s) G(8) Gy(s) V(3) Vg(s) Il(s) Hy(s) Ve(s) H(s) Figure 2 [10 marks] c) Many real systems are built as interconnection of several subsystems. Name FOUR (4) basic types of interconnection system. [4 marks] a) A discrete-time signal, x[n], is defined by, 1, n = 0,1,2 x[n] = -1, 0, n = -1,-2 elsewhere b) Sketch: i) x[n] ii) x[n+6] iii) x[2n+3] [2 marks] [2 marks] [2 marks] Consider the interconnection of Linear Time-Invariant systems as shown in Figure 2. Determine the transfer function, C[s], of the overall system. R(s) + Vi(s) V(s) V(s) Va(s)s(s) C(s) G(s) G(8) Gy(s) V(3) Vg(s) Il(s) Hy(s) Ve(s) H(s) Figure 2 [10 marks] c) Many real systems are built as interconnection of several subsystems. Name FOUR (4) basic types of interconnection system. [4 marks]