Composite Test-two-sided test Detection performance: for A>0 Po-Q(Q-(PEa)-VNA2Jo ↓ Symmetric pdf of T(x) for A<O m=Q(Q1PA)-VNA/o2） whxiong@uestc.edu.cn 17whxiong@uestc.edu.cn Composite Test—two-sided test 17 Detection performance: for A>0 PD = Q µ Q ¡1 (PFA) ¡ q NA 2 =¾2 ¶ for A<0 PD = Q µ Q ¡1 (PFA) ¡ q NA 2 =¾2 ¶ Symmetric pdf of T(x)