Translations:Digital filtering/19/en

Table 3. A two-unit-delay filter.

Time index n	Input $x_{n}$	Output from Filter 1	Input to Filter 2	Output $y_{n}=x_{n-2}$
0	10	-	-	-
1	20	10	10	-
2	10	20	20	10
3	0	10	10	20
4	–10	0	0	10
5	0	–10	–10	0
6	-	0	0	–10
7	-	-	-	0