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An analog filter has transfer function H(s)=(s+0.1)(s+0.1)2+16 Deterine the transfer function of digital filter using bilinear transformation. The digital filter should have specification

ωr=π2

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H(s)=(s+0.1)((s+0.1)2+16) H(s)=(s+0.1)((s+0.1)2+(4)2) From above equation we can say that, Ω=4. And The value of ωr is given as ωr=π2 Now we know that Ω=2Tstan(ω2) 4=2Tstan(π4) Ts=24tan(π4) Ts=0.5sec Using bilinear transformation H(z) can be obtained by putting , s=2Ts((z1)(z+1))in the equation of H(s) …

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