Signal Processing MCQ Questions & Answers | ECE

A. low-pass, high-pass, band-pass and band-stop

B. low-pass and band-pass only

C. high-pass and band-stop only

D. differentiator and Hilbert transformer

A. 1 only

B. 2 only

C. 2 and 4 only

D. 1 and 3 only

A. Aπ[δ(Ω - Ω₀) + δ(Ω + Ω₀)]

B. Aπδ(Ω - Ω₀)

C. Aπδ(Ω + Ω₀)

D. Aπ[δ(Ω - Ω₀) - δ(Ω + Ω₀)]

A. sinusoidal with the same amplitude, frequency and phase

B. sinusoidal with the same frequency, but possibly different amplitude and phase

C. non-sinusoidal

D. sinusoidal with a different frequency

A. A stable FIR filter

B. A stable IIR filter

C. An unstable FIR filter

D. An unstable IIR filter

A. low pass filter, $$\frac{\pi }{2}$$

B. low pass filter, $$\frac{\pi }{3}$$

C. low pass filter, $$\frac{\pi }{6}$$

D. low pass filter, $$\frac{\pi }{5}$$

A. h(n) = (25)ⁿ u(n)

B. h(n) = (2.5)ⁿ u(n)

C. h(n) = (0.25)ⁿ u(n)

D. h(n) = 2ⁿ u(n - 1)

A. $$\frac{1}{{2{s^2}}}\left[ {1 - {e^{ - 2s}}\left( {1 + 2s} \right)} \right]$$

B. $$\frac{1}{{2{s^2}}}\left[ {{e^{ - 2s}} - \left( {1 - 2s} \right)} \right]$$

C. $$\frac{1}{{2{s^2}}}\left[ {{e^{ - 2s}} + \left( {1 - 2s} \right)} \right]$$

D. $$\frac{1}{{2{s^2}}}\left[ {1 - {e^{ - 2s}} + 2s} \right]$$

A. not a deterministic function

B. deterministic, but not symmetric function

C. sometimes non-deterministic function

D. always deterministic and symmetric function

A. 0.3

B. 3

C. 0.6

D. 2