Bilinear

Bilinear transformation matlab

Bilinear transformation matlab
  1. How to do bilinear transformation on Matlab?
  2. What is bilinear transformation formula?
  3. Why do we use bilinear transform?

How to do bilinear transformation on Matlab?

Matlab Command for Bilinear Transform

[NUMd,DENd] = bilinear(NUM,DEN,Fs), where NUM and DEN are row vectors containing numerator and denominator transfer function coefficients, NUM(s)/DEN(s), in descending powers of s, transforms to z-transform coefficients NUMd(z)/DENd(z).

What is bilinear transformation formula?

[ zd , pd , kd ] = bilinear( z , p , k , fs ) converts the s-domain transfer function in pole-zero form specified by z , p , k and sample rate fs to a discrete equivalent.

Why do we use bilinear transform?

The bilinear transform can be used to produce a piecewise constant magnitude response that approximates the magnitude response of an equivalent analog filter. The bilinear transform does not faithfully reproduce the analog filters phase response, however.

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