NP theorem (3/7) NP Theorem:Likelihood ratio test(LRT) maximize Pp for a given PEA=a,decide H if whxiong@uestc.edu.cn 11whxiong@uestc.edu.cn NP theorem (3/7) NP Theorem: Likelihood ratio test (LRT) maximize PD for a given PFA =α , decide H1 if 11