Realize signal processing systems described by the difference equation: y1(n)=1/2 [x(n)+x(n-1)] and y2(n)=1/2 [x(n)-x(n-1)] using Matlab. Assuming same input signal x(n)=sin(ωn) for various values of ω = applied to both systems find the following: Obtain stem plots of y1(n) and y2(n) in each case. (15 Marks) Critically analyze y1(n) and y2(n) in terms of type of filter, maximum gain and cut off frequency. (Hint : The system can be tested by computing frequency response of the system).
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Engineering 2022-05-15 19:04:59