[<<][math][>>][..]Thu Mar 7 21:54:11 EST 2013

- Forward/backward diff - Bilinear[1] - Impulse invariance (exponential pole mapping) [2] - Matched-Z (exponential pole/zero mapping) [3] Forward/backward diff is simplest, but has stability issues for very resonant poles. Only works in the limit when poles/zeros go to s=0 Bilinear maps zeros at infinity to zeros at -1 while exponential essentially samples the impulse response. [1] http://en.wikipedia.org/wiki/Bilinear_transform [2] http://en.wikipedia.org/wiki/Impulse_invariance [3] http://en.wikipedia.org/wiki/Matched_Z-transform_method

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