This is my signal;


When I take Z-transform I get;


Then I found the Transfer function as;



I want to extract the numerator and the denominator parts of this $H[z]$, but all the examples I see have integer z exponentials as -1,-2 etc. How can I save the function from 0.2 exponential?

  • $\begingroup$ Where did the first equation come from? $\endgroup$
    – Pete W
    Commented May 24, 2021 at 1:01
  • 1
    $\begingroup$ From my DSP term project. But this complexity is on me. I made a mistake by taking time delay 200ms(0.2s) directly without changing it to sample size. My signal has 44.1kHz sampling frequency and it gives 8820. Thus the initial signal comes as $y[n]=x[n]+0.8x[n-8820]$. Thanks for helping me realize my mistake. $\endgroup$ Commented May 24, 2021 at 1:20


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