Question: Consider the IIR filter y [ k ] = 0 . 9 y [ k 1 ] + bf [ k ] assuming y [

Consider the IIR filter y[k]=0.9y[k 1]+ bf[k] assuming y[1]=0, and b >0.(1) Find the frequency response H() of the filter, and determine b such that |H(0)|=1.(2) Given b as calculated in (1), determine the frequency at which |H()|=1/2(i.e.-3 dB)

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