Electronics and Communication Engineering - Signals and Systems

21.
If F(jω) is the Fourier transform of f(t) then f(t) =
Answer: Option
Explanation:
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22.
The Laplace transform of sin ωt is
none of the above
Answer: Option
Explanation:
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23.
If f(t) is an even function
True
False
Answer: Option
Explanation:
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24.
If average correlation between v1(t) and v2(t) is R12(t) and average correlation between v2(t) and v1(t) is R21(t) then
R12(t) = R21(t)
R21(t) = R12(t)
R12(t) = - R21(t)
none of these
Answer: Option
Explanation:
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25.
A stationary process has
all statistical properties independent of time
all statistical properties dependent of time
zero variance
ensemble average equal to time average
Answer: Option
Explanation:
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