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Chapter 2 Discrete-time Signals and Systems
www-ist.massey.ac.nzDiscrete-time signals 23 0 5 10 15 20 25 30 −2 −1.5 −1 −0.5 0 0.5 1 1.5 2 2.5 Index (n) Amplitude Figure 2.4: Gaussian distributed random sequence with zero mean and unit variance.