Which of the following is the auto correlation of x(n)?
A. rxy(l)=x(l)*x(-l)
B. rxy(l)=x(l)*x(l)
C. rxy(l)=x(l)+x(-l)
D. None of the mentioned
Answer:A
Which of the following is the auto correlation of x(n)?
A. rxy(l)=x(l)*x(-l) B. rxy(l)=x(l)*x(l) C. rxy(l)=x(l)+x(-l) D. None of the mentioned
Explanation: We know that, the correlation of two signals x(n) and y(n) is Let x(n)=y(n)=> 6. What is the energy sequence of the signal ax(n)+by(n-l) in terms of cross correlation and auto correlation sequences?