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EE 3120 final exam

# EE 3120 final exam - Name EE 3120 Final Exam SSN Summer...

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Name:_____________________________________     EE 3120         Final  Exam SSN:_______________________________________ Summer  2000 A digital system has the following signal flow graph: 1. Write the difference equation. For the following difference equation: Answer questions 2-6 y[k] + 0.7y[k-1] + 0.1y[k-2] = u[k] + u[k-1] – u[k-2] 2. Find the total response for the system in the z-transform under the  initial conditions y[-1], y[-2] and a unit step input.  Write the total  response in terms of the zero state and zero input responses.

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3. What is the transfer function? 4. Plot the poles of the transfer function.  Describe the behavior from  these poles. 5. If the input to the system is the unit step, and all initial conditions are all  zero, find the output y[k].
6. What is the final value of the output to the unit step input? Consider the following circuit: 7. Find the total response for the system in the s-transform under a

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EE 3120 final exam - Name EE 3120 Final Exam SSN Summer...

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