McqMate
Q. |
Which of the following is correct regarding to impulse signal? |
A. | x[n]δ[n] = x[0]δ[n] |
B. | x[n]δ[n] = δ[n] |
C. | x[n]δ[n] = x[n] |
D. | x[n]δ[n] = x[0] |
Answer» A. x[n]δ[n] = x[0]δ[n] | |
Explanation: when the input x[n] is multiplied with an impulse signal, the result will be impulse signal with magnitude of x[n] at that time. |
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