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Q. |
The convolution of a discrete signal with itself is |
A. | squaring the signal |
B. | doubling the signal |
C. | adding two signals |
D. | is not possible |
Answer» A. squaring the signal | |
Explanation: this is proved by the fact that since discrete signals can be thought of as a one variable polynomial with the coefficients, along with the order, representing the amplitude, at an instant equal to the order of the variable, of the signal- they are simply multiplied during convolution. |
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