Let Y_n=X_n+2_n, where Z_n is WN(0.1). X_n=U_n+aU_(n-1)+bU_(n-2), where U_n is WN(0.4). Which of the following statements is true? A gamma_Y(0)=(1+a*2+b*2)+4 B gamma_X(0)=1+a*2+b*2 C gamma_Y(1)-a+ab D
Let Y_n=X_n+2_n, where Z_n is WN(0.1). X_n=U_n+aU_(n-1)+bU_(n-2), where U_n is WN(0.4). Which of the following statements is true? A gamma_Y(0)=(1+a*2+b*2)+4 B gamma_X(0)=1+a*2+b*2 C gamma_Y(1)-a+ab D gamma_Y(2)=4b If A(lambda)=2. then the value of inverse transform fo A 2/(2*pi) B 1/(2*pi) C 2 D D E None of above
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