Composite Test The detection statistics Constant False Alarm,e.g.,PrA P(H1;Ho) Under Ho T(x)~N(0,02/N) whxiong@uestc.edu.cn 8whxiong@uestc.edu.cn Composite Test 8 The detection statistics Constant False Alarm, e.g., T(x) = 1 N Xx[n] PFA = P(H1; H0) Under H0 T(x) » N(0; ¾ 2 =N)