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For x(n)={2 3 4 5 1 3}, plot the following Discrete Time signals.
1 Answer
written 7.9 years ago by |
1) x(n-1)
Solution: $n’ = n-1 \\ \therefore n=n’-1$
n | x(n) | n’ |
---|---|---|
-2 | 2 | -3 |
-1 | 3 | -2 |
0 | 4 | -1 |
1 | 5 | 0 |
2 | 1 | 1 |
3 | 3 | 2 |
2) x(n)u(-n)
Solution: $n’ = -n \\ u[n] = 0, n\lt0 \\ = 1, n≥0$
n | x(n) | u(n’) | x(n)u(-n) |
---|---|---|---|
-2 … |