If H(z) is the system function of an LTI system and HI(z) is the system function of the inverse LTI system, then which of the following is true?
A. H(z)*HI(z)=1
B. H(z)*HI(z)=δ(n)
C. H(z).HI(z)=1
D. H(z).HI(z)=δ(n)
Answer:A
If H(z) is the system function of an LTI system and HI(z) is the system function of the inverse LTI system, then which of the following is true?
A. H(z)*HI(z)=1 B. H(z)*HI(z)=δ(n) C. H(z).HI(z)=1 D. H(z).HI(z)=δ(n)