The analog signal given below is sampled by 600 samples per second for m(t) = 3

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Question
The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 700 pt then folding frequency is
Options
A. 500 Hz
B. 700 Hz
C. 300 Hz
D. 1400 Hz

Correct Answer

300 Hz

Explanation

The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 7

The analog signal given below is sampled by 600 samples per second for m(t) = 3 sin 500 pt + 2 sin 7 .

Signals and Systems problems

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5. For the discrete time system of the given figure
Options
A. y_k - 0.5 y_k_{- 1} - 0.25 y_k_{- 2} = u_k
B. y_k + 0.5 y_k_{- 1} - 0.25 y_k_{- 2} = u_k
C. y_k - 0.5 y_k_{- 1} + 0.25 y_k_{- 2} = u_k
D. y_k + 0.5 y_k_{- 1} + 0.25 y_k_{- 2} = u_k

8. A voltage V(t) is a Gaussian ergodic random process with a mean of zero and a variance of 4 volt². If it is measured by a dc meter. The reading will be
Options
A. 0
B. 4
C. 2
D. 2

10. Which one most appropriate dynamic system?
Options
A. y(n) + y(n - 1) + y(n + 1)
B. y(n) + y(n - 1)
C. y(n) = x(n)
D. y(n) + y(n - 1) + y(n + 3) = 0

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