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Explain the bilinear transformation method of IIR filter design.
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written 18 months ago by |
Solution:
Bilinear or Tustin Transformation:
To overcome the difficulty of the impulse invariant method, bilinear transformation may be used. Tn this method the entire $j \Omega$ axis for $-\infty\lt\Omega\lt\infty$ maps uniquely onto the unit circle for $-\pi\lt\omega\lt\pi$.
The bilinear transform provides a nonlinear one-to-one mapping of the frequency points on …