engineering recuitment GATE ECE 2023-24 Test Series Signals and Systems Discrete Fourier Transform (DFT) and Discrete Fourier Series (DFS)
Consider two signals x(n) = {0,1,1,2} and h(n) = {a,b,c}. The signal y(n) = x(n) ⊗ h(n). The DFT of y(n) is given as Y(ejΩ). If Y(ej0) is 36; then which of the following relation is correct?
1
a × b × c = 27
2
a + b + c = 9
3
ab + c = 9
4
a + b - c = 12