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A discrete system is described by the difference equation y(n)= 2.5y(n-1)-y(n-2)+3x(n)+3x(n-2) a. Using Z-transform, Determine all possible impulse...

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Electrical Engineering

A discrete system is described by the difference equation y(n)=2.5y(n-1)-y(n-2)+3x(n)+3x(n-2)

a. Using Z-transform, Determine allpossible impulse responses h(n) and indicate the casuality andstabilityproperties.                                                                                               

b.For the casual filter, determine the output y(n) if the inputis x(n)=g(n)-2g(n-1) where g(n)=cos (pin/s)u(n).

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