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Electronics and Communication Engineering - Signals and Systems

Exercise : Signals and Systems - Section 10
26.
If Sn is the power associated with each frequency component and S(f) is the sum of all these powers, normalised power spectral density is
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.

Assertion (A): When a function f(t) is represented as exponential Fourier series, the set of complex coefficients Fn is called frequency spectrum of f(t)

Reason (R): Frequency spectrum is also called line spectrum.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
The area of an impulse is
1
0
∞
any finite value
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
e-3t is a
energy signal
power signal
Both (a) and (b)
none
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
For the signal in the given figure the Fourier transform is Then the Fourier transform of the signal in the given figure
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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