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Inverse Z transform

Hi,

Please help me to implement the below equation in LabVIEW without using math-script module.

1 + 0.41 Z^-1 + 0.33 Z^-2 / 1 - 1.53 Z^-1 + 0.87 Z^-2

 

Thanks in advance for your help.

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1 + 0.41 Z^-1 + 0.33 Z^-2 / 1 - 1.53 Z^-1 + 0.87 Z^-2

 


I assume you mean (1 + 0.41/Z + 0.33/Z^2)/(1 - 1.53/Z + 0.87/Z^2).

I would be tempted to multiply numerator and denominator by Z^2 (assuming Z isn't zero) to give (Z^2 + 0.41Z + 0.33)/(Z^2 -1.53Z +0.87).  Here's one way to do this:

Formula.png

Bob Schor

 

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