Electronics and Communication Engineering - Signals and Systems

16.
Laplace transforn of sin (ωt + a) is
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
A system with input x[n] and output y[n] is given as y[n] = (sin 5/6 pn) x(n) The system is
linear, stable and invertible
non-linear, stable and non-invertible
linear stable, non invertible
linear, unstable, invertible
Answer: Option
Explanation:
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18.
If f (t) is an even function, then in th form
True
False
Answer: Option
Explanation:
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19.
The output y(t) of a linear time invariant system is related to its input x(t) by the following equation y(t) = 0.5x(t - td + 1) + x(t - td) + 0.5 x(t - td + 7). The filter transfer function H(ω) of such a system is given by
(1 + cos ωt)e-jωt d
(1 + 0.5 cos ωt)e-jωt d
(1 + cos ωt)ejωt d
(1 - 0.5 cos ωt)e-jωt d
Answer: Option
Explanation:
No answer description is available. Let's discuss.

20.
unit step is a
energy signal
power signal
neither energy nor power signal
none
Answer: Option
Explanation:
No answer description is available. Let's discuss.