2. You are given the FT X(f) of the signal x(t) in Figure 1 below. Assume the signal x(t) is passed through the system S1 shown in Figure 1. a) Plot the FT of signals z1(t), and z2(t). b) Assume you...

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Extracted text: 2. You are given the FT X(f) of the signal x(t) in Figure 1 below. Assume the signal x(t) is passed through the system S1 shown in Figure 1. a) Plot the FT of signals z1(t), and z2(t). b) Assume you receive the signal z2(t) and pass it through the system S2 shown in Figure 1. Plot the FT of z3(t). c) Assume you wish to recover x(t) from z3(t). Add what is needed to the system S2 so that x(t) can be recovered from z3(t). If you use any filter in your implementation, specify the type, values for the gain and cutoff frequencies. 10 to -20 20 System Si systinS2 Figure 1