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Quiz: DSP – Basics

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Number of Questions: 25

Question: 21 -

What is the condition for a real-valued signal to be antisymmetric in nature?

Options:

  1. x(n)=-x(-n)

  2. x(n)=-x(n)

  3. None of these

  4. x(n)=x(-n)

    5. Answer:

    x(n)=-x(-n)
    Solution not available.

Question: 22 -

The anti causal sequences have ______ components in the left hand sequences.

Options:

  1. Both 

  2. Negative

  3. None of the above

  4. Positive

    5. Answer:

    Positive
    Solution not available.

Question: 23 -

One dimensional signal is a function of

Options:

  1. Multiple independent variables

  2. Single independent variable

  3. Multiple dependent variables

  4. Single dependent variable

    5. Answer:

    Single independent variable
    Solution not available.

Question: 24 -

Superposition of signals in a linear system refers to the

Options:

  1. Output that is product of all the signals

  2. Output that is of largest spectrum of all the signals

  3. Output that is sum of all the signals

  4. Output that is of highest amplitude of all the signals

    5. Answer:

    Output that is sum of all the signals
    Solution not available.

Question: 25 -

The autocorrelation of a discrete signal x(n) is represented by which of the given equations?

Options:

  1. rxy(l)=x(l)+x(-l)

  2. rxy(l)=x(l)x(-l)

  3. rxy(l)=x(l)-x(-l)

  4. rxy(l)=x(l)x(l)

    5. Answer:

    rxy(l)=x(l)x(-l)
    Solution not available.