engineering recuitment HAL Management & Design Trainee Mock Test 2023 Signals and Systems Z Transform Properties of Z Transform
A discrete-time signal x[n] = δ [n - 3] + 2δ [n - 5] has a z-transform X(z). If Y(z) = X(-z) is the z-transform of another signal y[n], then
1
y[n] = x[n]
2
y[n] = x[-n]
3
y[n] = - x[n]
4
y[n] = - x[-n]