What is the relation between cross correlation and auto correlation?
A. |rxy(l)|=√(rxx(0).ryy(0))
B. |rxy(l)|≥√(rxx(0).ryy(0))
C. |rxy(l)|≠√(rxx(0).ryy(0))
D. |rxy(l)|≤√(rxx(0).ryy(0))
Answer:A
What is the relation between cross correlation and auto correlation?
A. |rxy(l)|=√(rxx(0).ryy(0)) B. |rxy(l)|≥√(rxx(0).ryy(0)) C. |rxy(l)|≠√(rxx(0).ryy(0)) D. |rxy(l)|≤√(rxx(0).ryy(0))
Explanation: We know that, a2rxx(0)+b2ryy(0)+2abrxy(l) ≥0