Electronics and Communication Engineering - Signals and Systems

6.
If f1(t)<< F1(jω) and f2(t)↔ F2(jω), then [a1 f1(t) + a2f2(t)]↔
a1F1(jω) + a2F2(jω)
a1a2F1(jω) + F2(jω)
a1F1(jω) - a2F2(jω)
a1F1*(jω) + a2F2*(jω)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
The signal x(t) = A cos (ω0t + φ) is
energy signal
power signal
energy Power
none
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
The inverse Fourier transform of δ(t) is
∪(t)
1
δ(t)
ej2pt
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
Which one of the following is the correct statement of the system characterized by the equation y(t) = ax(t) + b?
linear for any value of b
linear if b > 0
linear if b < 0
non-linear
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
Paley Wiener criterion for designing of filter is
a and b
Answer: Option
Explanation:
No answer description is available. Let's discuss.