N(3) (2) Consider the discrete-time signal z(n), with a z-transform X(2) = and a ROC, which %3D includes the unit-circle, where N(2) = 142 + 5z + 02.5, and D(2) = -82 + 222 + 8z + 25. %3D (a) Find the poles and zeros of X(2). Hence, identify and draw the region of conversion ROC. (b) Find an expression for 2(n) and sketch it. Identify its properties. (c) Write an expression for the Fourier transform of z(n), which is X(ej"). Hence, plot the magnitude and phase spectra.

N(3) (2) Consider the discrete-time signal z(n), with a z-transform X(2) = and a ROC, which %3D includes the unit-circle, where N(2) = 142 + 5z + 02.5, and D(2) = -82 + 222 + 8z + 25. %3D (a) Find the poles and zeros of X(2). Hence, identify and draw the region of conversion ROC. (b) Find an expression for 2(n) and sketch it. Identify its properties. (c) Write an expression for the Fourier transform of z(n), which is X(ej"). Hence, plot the magnitude and phase spectra.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter6: Power Flows

Section: Chapter Questions

Problem 6.16P

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