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1. |
What is the sum of impulses in a convolution sum of two discrete time sequences? |
A. | S<sub>y</sub> = S<sub>x</sub>S<sub>h</sub>, S<sub>x</sub>=‚àëx(k) and S<sub>h</sub> = ‚àëh(n-k) |
B. | S<sub>y</sub> = S<sub>x</sub>+S<sub>h</sub>, S<sub>x</sub>=‚àëx(k-1) and S<sub>h</sub> = ‚àëh(n-k) |
C. | S<sub>y</sub> = S<sub>x</sub>-S<sub>h</sub>, S<sub>x</sub>=‚àëx(k) and S<sub>h</sub> = ‚àëh(n-k) |
D. | S<sub>y</sub> = S<sub>x</sub>*S<sub>h</sub>, S<sub>x</sub>=‚àëx(n) and S<sub>h</sub> = ‚àëh(n-k) |
Answer» B. S<sub>y</sub> = S<sub>x</sub>+S<sub>h</sub>, S<sub>x</sub>=‚Äö√Ñ√∂‚àö‚Ć‚àö¬¥x(k-1) and S<sub>h</sub> = ‚Äö√Ñ√∂‚àö‚Ć‚àö¬¥h(n-k) | |