If an LTI system is described by the difference equation y(n)=ay(n-1)+bx(n), 0 < a < 1, then what is the parameter ‘b’ so that the maximum value of | H(ω)| is unity?
A. a
B. 1-a
C. 1+a
D. None of the mentioned
Answer:A
If an LTI system is described by the difference equation y(n)=ay(n-1)+bx(n), 0 < a < 1, then what is the parameter ‘b’ so that the maximum value of | H(ω)| is unity?
A. a B. 1-a C. 1+a D. None of the mentioned
Explanation: We know that,