Virtual Labs

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Contributors

Feedback

Z-Transform

Choose difficulty:

Beginner

Intermediate

Advanced

For a system with single pole on the real-axis (and no zeros)

a: The system with pole in (0,1) acts as a low pass filter Explanation

Explanation

b: The system with pole in (0,1) acts as a high pass filter Explanation

Explanation

c: The system with pole in (-1,0) acts as a low pass filter Explanation

Explanation

d: The system with pole in (-1,0) acts as a high pass filter Explanation

Explanation

What is the effect of a pole near the unit circle in the z-plane?

a: System becomes unstable Explanation

Explanation

b: System becomes more oscillatory Explanation

Explanation

c: System becomes more stable Explanation

Explanation

d: System becomes less oscillatory Explanation

Explanation

Which property is true for a minimum-phase system?

a: All zeros are inside the unit circle Explanation

Explanation

b: All poles are inside the unit circle Explanation

Explanation

c: All zeros are outside the unit circle Explanation

Explanation

d: All poles are outside the unit circle Explanation

Explanation

If the ROC includes the unit circle, the system is:

a: Stable Explanation

Explanation

b: Unstable Explanation

Explanation

c: Causal Explanation

Explanation

d: Non-causal Explanation

Explanation

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