If h(n) is the impulse response of an LTI system and hI(n) is the impulse response of the inverse LTI system, then which of the following is true?
A. h(n).hI(n)=1
B. h(n).hI(n)=δ(n)
C. h(n)*hI(n)=1
D. h(n)*hI(n)=δ(n)
Answer:A
If h(n) is the impulse response of an LTI system and hI(n) is the impulse response of the inverse LTI system, then which of the following is true?
A. h(n).hI(n)=1 B. h(n).hI(n)=δ(n) C. h(n)*hI(n)=1 D. h(n)*hI(n)=δ(n)