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• Questions on Signal Processing tagged with 'z-transform'.
• 1

  Why is a feedback loop not represented by the least order transfer function?

  I have a feedback loop with transfer $L(z)= \frac{H(z)C(z)}{1+H(Z)C(z)}$. $H(z) = h$ and $C(z) = \f…

  matlabdiscrete-signalstransfer-functionz-transform

• 1

  How to derive stability of analogue and digital systems

  I'm trying to find out why digital systems are stable iff poles oh their transfer function are insid…

  discrete-signalscontinuous-signalsz-transform

• 1

  Finding the z-transform of $h[n] = a^n\cos(2\pi \frac{n}{F_s}f_0)$ for $n ≥ 0$ and zero for $n < 0$

  So I'm trying to decide whether the cosine part is intended to be plugged in for $z$ or whether it i…

  z-transform

• 2

  Can I determine a system's $z$-domain transfer function from its pole-zero plot?

  Is it possible to generate the z-domain transfer function from a pole-zero plot diagram?

  transfer-functionz-transform

• 1

  Is this a valid z-transform of $ \frac{1}{n^2}u[n] $?

  I was looking over some DSP and came across the following signal: $x[n] = 1/n$. So I wondered whethe…

  discrete-signalsz-transform

• 2

  Find the frequency response of a system

  I'm trying to find the frequency response $$H(\omega) = Y(\omega)/X(\omega)$$ for this system- the s…

  filtershomeworkfrequency-responsez-transform

• 1

  Z-transform of a downsampler

  In this paper or multirate filtering, the author establishes the following mathematical relationship…

  dftdownsamplingz-transform

• 1

  Filter order estimation

  Assume some unknown but small and finite number of poles and zeros in the complex Z plane, all with …

  filtersestimationz-transform

• 2

  Understanding the transfer function of an FIR filter

  I'm currently studying FIR filter and am having trouble understand how the following equation works,…

  filtersconvolutionz-transform

• 2

  What is the Z-transform of Bessel function $J_0(\alpha n)$ sequence

  What is the Z-transform of the sequence $J_0(\alpha n)$ for $n \in \mathbb{Z}$? The Fourier transfo…

  fourier-transformz-transform

• 1

  How does the Z transform's "region of convergence" work?

  I'm a novice in DSP and I have few doubts regarding the Z transform and its region of convergence (R…

  discrete-signalsz-transform

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