
Z-Transform Concepts and Techniques

Interactive Video
•
Mathematics
•
11th - 12th Grade
•
Hard

Thomas White
FREE Resource
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is one method mentioned for performing inverse Z-transforms?
Fourier series
Partial fraction expansion
Taylor series
Laplace transform
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the alternative method to partial fraction expansion for inverse Z-transforms?
Polynomial expansion
Long division
Short division
Matrix inversion
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the region of convergence determine in the Z domain?
The type of signal (right-sided or left-sided)
The frequency of the signal
The phase of the signal
The amplitude of the signal
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the region of convergence is inside a circle, what type of signal is it?
Right-sided signal
Periodic signal
Bilateral signal
Left-sided signal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Z-transform expression used in the example?
1 + Z^(-1) / (1 - 1/2 Z^(-1))
2 + Z^(-1) / (1 - 1/2 Z^(-1))
1 + Z / (1 - 1/2 Z)
2 + Z / (1 - 1/2 Z)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in performing long division on a Z-transform?
Subtract the denominator from the numerator
Add the numerator and denominator
Multiply the numerator by the denominator
Divide the numerator by the denominator
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does Z^(-1) correspond to in the time domain?
Delta of K minus 1
Delta of K
Delta of K plus 1
Delta of K minus 2
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why might you only need the first few values of X of K in the time domain?
To determine the phase shift
To determine initial conditions
To find the maximum amplitude
To calculate the frequency
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