Input Sequence 派 业 20 25 30 35 Time index n. Output sequence up-sampled by3 001 5 10 15 20 25 30 35 40 45 50 Time index n Input Sequence epntdu 15 20 25 30 35 40 50 Time index n Output sequence down-sampled by 3 it I Tr 20 35 50 Time index n