In IIR filter design by Bilinear transformation, the Bilinear transfor

1.	In IIR filter design by Bilinear transformation, the Bilinear transformation is a mapping from,
A.	Z-plane to S-plane
B.	S-plane to Z-plane
C.	S-plane to J-plane
D.	J-plane to Z-plane
Answer» C. S-plane to J-plane

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Convert analogue filter into IIR digital filter with system function. The digital filter is to have resonant frequency \({\omega _r} = \frac{\pi }{2}\) (use by bilinear transformation)\(H\left( s \right) = \frac{{s + 0.1}}{{{{\left( {s + 0.1} \right)}^2} + 16}}\)
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In IIR filter design by Bilinear transformation, the Bilinear transformation is a mapping from,

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