Review:NP theorem { W-1 pxo)=了 N-1 p(x:H）=7 m{2w- whxiong@uestc.edu.cnwhxiong@uestc.edu.cn Review: NP theorem p(x; H1) = 1 (2¼¾2) N=2 exp ( ¡ 1 2¾2 N X¡1 n=0 [x(n) ¡ s(n)] 2 ) p(x; H0) = 1 (2¼¾2) N=2 exp ( ¡ 1 2¾2 N X¡1 n=0 [x(n)] 2 )