年份 | 滑动最小值法 | HYSEP法 | 数字滤波法 | 递归数字滤波法 | |||||
FI | SI | LM | F1 | F2 | F3 | F4 | |||
1956~1965 | 0.4325 | 0.4335 | 0.4364 | 0.4167 | 0.3634 | 0.4003 | 0.4077 | 0.3928 | 0.3567 |
1966~1975 | 0.3972 | 0.4075 | 0.4098 | 0.3751 | 0.3333 | 0.3818 | 0.3894 | 0.3663 | 0.3331 |
1976~1985 | 0.3661 | 0.3760 | 0.3791 | 0.3429 | 0.3016 | 0.3735 | 0.3815 | 0.3419 | 0.3182 |
1986~1995 | 0.3784 | 0.3831 | 0.3813 | 0.3427 | 0.2964 | 0.3564 | 0.3648 | 0.3557 | 0.2993 |
1996~2005 | 0.3669 | 0.3930 | 0.3954 | 0.3555 | 0.2972 | 0.3719 | 0.3787 | 0.3475 | 0.2983 |
2006~2012 | 0.5311 | 0.5471 | 0.5426 | 0.5018 | 0.4459 | 0.4382 | 0.4426 | 0.4656 | 0.3908 |