Composite Test-two-sided test Detection performance: for A>0 b=Q(g'a)-V4o） whxiong@uestc.edu.cn 16whxiong@uestc.edu.cn Composite Test—two-sided test 16 Detection performance: for A>0 PD = Q µ Q ¡1 (PFA) ¡ q NA 2 =¾2 ¶