Electronics and Communication Engineering - Signals and Systems

11.
If X(z) = (1 - az-1), and |a| < |z|, the initial value x0 is
1
0
2
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
The triangular wave of the given figure can be written as v(t) = u(t) - tu(t) + (t - 1) u(t - 1)
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
The function A est where s = s + jω represents
A phasor whose magnitude changes with time
A phasor whose frequency is ω
A phasor rotating in counterclockwise direction at angular frequency ω and whose magnitude increases with t
A phasor rotating in clockwise direction at angular frequency ω and whose magnitude increases with t
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
Half wave sysmmetry means f(t) = - f(t ± T/2).
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
If X(z) = 2az-1/(1 - az-1)3 and |a| < |z|, then the initial value x0 is
0
1
2
Answer: Option
Explanation:
No answer description is available. Let's discuss.