Given the anti causal signal x n n u n (a) Determine its Z transform X(z), and carefully plot the ROC when 0 5 and 2 For which of the two values of does X(e j ) exist (b) Find the signal that corresponds to the derivative dX(z) dz Express it in terms of ...

a The signal xn can be written as So that its Ztransform is given by ...

Given the anti-causal signal x[n]= n u[n] (a) Determine its Z-transform X(z), and carefully plot the

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Given the anti-causal signal x[n]= −αⁿ u[−n]

(a) Determine its Z-transform X(z), and carefully plot the ROC when α = 0.5 and α = 2. For which of the two values of α does X(e^jω) exist?

(b) Find the signal that corresponds to the derivative dX(z)/dz. Express it in terms of α.

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Signals and Systems using MATLAB

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2nd edition

Authors: Luis Chaparro

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Question Posted: Dec 28, 2018 11:29 AM

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Given the anti-causal signal x[n]= n u[n] (a) Determine its Z-transform X(z), and carefully plot the

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