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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Z-Transform

Choose difficulty:

Beginner

Intermediate

Advanced

For a causal system

a: The ROC is outside the outermost pole Explanation

Explanation

b: The ROC includes the unit circle Explanation

Explanation

c: The ROC is the entire z-plane Explanation

Explanation

d: The ROC is inside the unit circle Explanation

Explanation

For a stable system

a: The ROC includes the unit circle Explanation

Explanation

b: The ROC is outside the unit circle Explanation

Explanation

c: The ROC is inside the unit circle Explanation

Explanation

d: The ROC is the entire z-plane Explanation

Explanation

Which of the following is the definition of the Z-transform?

a: Sum of x[n]z^n over all n Explanation

Explanation

b: Sum of x[n]z^{-n} over all n Explanation

Explanation

c: Sum of x[n]e^{jn} over all n Explanation

Explanation

d: Sum of x[n]e^{-jn} over all n Explanation

Explanation

What is the ROC for a two-sided sequence?

a: A ring in the z-plane Explanation

Explanation

b: Inside the innermost pole Explanation

Explanation

c: Outside the outermost pole Explanation

Explanation

d: Entire z-plane Explanation

Explanation

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