$N_1\left(0\right)$

$N_2\left(0\right)$

$w_1$

$w_2$

真实值

8.0

1.0

2.0

1.0

${\sigma }_o=0.0$

8.0010

1.0023

7.9946

1.0017

${\sigma }_o=0.1$

7.9260

0.9943

2.0687

0.9193

${\sigma }_o=0.2$

8.0218

1.0129

2.1173

1.1769