railway RRB JE (CBT I + CBT II) Mock Test 2024 Signals and Systems Discrete Fourier Transform (DFT) and Discrete Fourier Series (DFS) Properties of Discrete Fourier Series
The output of a circular convolution performed on two signals x1(n) = {2, 1, 2, 1} and x2(n) = {1, 2, 3, 4} is:
1
{16, 14, 16, 14}
2
{14, 16, 14, 16}
3
{12, 14, 12, 14}
4
{14, 12, 14, 12}