Applications of Z Transform

Applications of Z Transform is used to convert discrete time domain into a complex frequency domain where, discrete time domain represents an order of complex or real numbers. It is generalize form of Fourier transform, which we get when we generalize Fourier transform and get z transform. The reason behind this is that Fourier transform is not sufficient to converge on all sequence and when we do this thing then we get the power of complex variable theory that we deal with noncontiguous time systems and signals.

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