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Quiz: DSP - Z Transform

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Number of Questions: 24

Question: 11 -

What is another term used for two-sided Z transform?

Options:

  1. Unilateral Z-transform

  2. Bilateral Z-transform

  3. None of these

  4. Trilateral Z-transform

    5. Answer:

    Bilateral Z-transform
    Solution not available.

Question: 12 -

The similarity between the Fourier transform and the z transform is that

Options:

  1. Both convert analog signal to digital signal

  2. Both convert discrete time domain to frequency spectrum domain

  3. Both convert digital signal to analog signal

  4. none of the above

    5. Answer:

    Both convert discrete time domain to frequency spectrum domain
    Solution not available.

Question: 13 -

For an expanded power series method, the coefficients represent

Options:

  1. Negative values only

  2. None of the above

  3. Inverse sequence values

  4. Positive values only

    5. Answer:

    Inverse sequence values
    Solution not available.

Question: 14 -

The ROC of a system is the

Options:

  1. range of frequency for which the z transform exists

  2. range in which the signal is free of noise

  3. range of z for which the z transform converges

  4. range of frequency for which the signal gets transmitted

    5. Answer:

    range of z for which the z transform converges
    Solution not available.

Question: 15 -

What is zero padding technique?

Options:

  1. Zeroes are added anywhere in between the sequence to make the number of samples equal to a power of two. 

  2. Zeroes are added at the start of the sequence to make the number of samples equal to a power of two. 

  3. Zeroes are added at the end of the sequence to make the number of samples equal to a power of two.

  4. None of the mentioned. 

    5. Answer:

    Zeroes are added at the end of the sequence to make the number of samples equal to a power of two.
    Solution not available.