Electronics and Communication Engineering - Signals and Systems

6.
Given that h(t) = 10e-10t u(t) and e(t) = sin 10t u(t). The Laplace transform of f(t) = h(t - t) e(t)dt is
Answer: Option
Explanation:
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7.
If ROC of x[n] is R1 then ROC of an x[n] is
R1a
R1/a
a/R1
R1 + a
Answer: Option
Explanation:
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8.
x = AX + Bu is a state equation.
True
False
Answer: Option
Explanation:
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9.
The standard deviation of a set of observations is the rms value of the deviation from the arithmetic mean.
True
False
Answer: Option
Explanation:
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10.
The function shown in the given Figure can be written as
sum of two sinusoidal functions
sum of two sinusoidal functions one originating at t = 0 and the other at t = 1
difference of two sinusoidal functions one originating at t = 0 and the other at t = 1
none of the above
Answer: Option
Explanation:
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