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Quiz: Signals & Systems Set-1

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Number of Questions: 40

Question: 21 -

Double-sided phase & amplitude spectra _____

Options:

  1. Possess an odd & even symmetry respectively

  2. Possess an even & odd symmetry respectively

  3. Both possess an even symmetry

  4. Both possess an odd symmetry

    5. Answer:

    Possess an odd & even symmetry respectively
    Solution not available.

Question: 22 -

What does the first term 'a0' in the below stated expression of a line spectrum indicate?

x(t) = a0 + a1 cos w0 t + a2 cos2 w0t +......+  b1 sin w0 t + b2 sin w0 t + .....

Options:

  1. Fundamental component

  2.  All of the above

  3. DC component

  4. Second harmonic component

    5. Answer:

    DC component
    Solution not available.

Question: 23 -

Which kind of frequency spectrum/spectra is/are obtained from the line spectrum of a continuous signal on the basis of Polar Fourier Series Method?

Options:

  1. Sampled in nature

  2. Continuous in nature

  3. Discrete in nature

  4. All of the above

    5. Answer:

    Discrete in nature
    Solution not available.

Question: 24 -

Which are the only waves that correspond/ support the measurement of phase angle in the line spectra?

Options:

  1. Square waves

  2. Sine waves

  3. Triangular waves

  4. Cosine waves

    5. Answer:

    Cosine waves
    Solution not available.

Question: 25 -

Which type/s of Fourier Series allow/s to represent the negative frequencies by plotting the double-sided spectrum for the analysis of periodic signals?

Options:

  1. Trigonometric Fourier Series

  2. Polar Fourier Series

  3. All of the above

  4. Exponential Fourier Series

    5. Answer:

    Exponential Fourier Series
    Solution not available.