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1. |
What is the magnitude of the frequency response of the system described by the difference equation y(n)=ay(n-1)+bx(n), 0 |
A. | \(\frac{|b|}{\sqrt{1+2acosω+a^2}}\) |
B. | \(\frac{|b|}{1-2acosω+a^2}\) |
C. | \(\frac{|b|}{1+2acosω+a^2}\) |
D. | \(\frac{|b|}{\sqrt{1-2acosω+a^2}}\) |
Answer» E. | |