下面是一个向量示例:
signal <- c(659, 613, 586, 642, 685, 695, 691, 733, 638, 708, 706, 691, 703, 712, 715, 700702, 715, 691, 670, 684, 689, 711, 673, 688, 699, 677, 701, 680, 692, 686, 710, 702, 699, 717, 691,, 710, 702, 699, 702, 706, 651, 712, 722, 734, 705, 714,