Signal Processing MCQ Questions & Answers | ECE

A. $$\frac{A}{{\left( {j\omega + 1} \right)}}$$

B. $$\frac{A}{{{{\left( {j\omega + 1} \right)}^2}}}$$

C. $$\frac{A}{{\left( {{\omega ^2} + 1} \right)}}$$

D. $$\frac{A}{{\sqrt {\left( {j\omega + 1} \right)} }}$$

A. A power signal

B. An energy signal

C. Neither

D. Both

A. It is not possible to construct a signal flow graph with both input and output in normal order

B. The number of butterflies in the m^th state is N/m

C. In-place computation requires storage of only 2N node data

D. Computation of a butterfly requires only one complex multiplication

A. Improve the steady-state performance

B. Deteriorates the steady-state performance

C. Has no effect on steady-state performance

D. None of the above

A. $$f\left( t \right)\delta \left( t \right) = f\left( 0 \right)\delta \left( t \right)$$

B. $$\int_{ - \infty }^\infty {f\left( t \right)\delta \left( \tau \right)d\tau = 1} $$

C. $$\int_{ - \infty }^\infty {\delta \left( \tau \right)d\left( \tau \right) = 1} $$

D. $$f\left( t \right)\delta \left( {t - \tau } \right) = f\left( \tau \right)\delta \left( {t - \tau } \right)$$

A. y(t) = x(t + 1)

B. y(t) = x(t - 1)

C. y(t) = x(t) + c

D. y(t) = x(t - 1) + c

A. 0.75

B. 0.25

C. 0.5

D. 1

A. Correlation

B. Convolution

C. Interpolation

D. Extrapolation

A. amplitude domain equations to frequency domain equations

B. phase domain equations to amplitude domain equations

C. time domain equations to frequency domain equations

D. frequency domain equations to time domain equations

A. An RC filter

B. An envelope detector

C. A PLL

D. An ideal low-pass filter with the appropriate bandwidth