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Determine the sequence x[n] corresponding to cach of the following Fourier trans forms: (a) X (c)= cos (w) + sin-(3w), (b) X2 (c) = 0, 0 < w 0 and w, > Aw/2. X (e) is given by

Determine the sequence x[n] corresponding to cach of the following Fourier trans forms: (a) X (c)= cos (w) + sin-(3w), (b) X2 (c) = 0, 0 < w 0 and w, > Aw/2. X (e) is given by

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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194 (212 of 1009) 12. Determine ine DIFT and piot Its magnituae and pnase for ute rollowing sequences: (a) x[n] = u[n], (5) x2[n] = cos(oon)u[n], wo = T/3. 13. Determine and plot the magnitude and phase spectra of the following signals: (a) xin] = (1/2)" cos(T (n - 1)/8), (b) 12(n] = n(u[n + 3] – u[n – 4]). (o) x3[n] = (2 –n/2)(u[n + 4] – u[n - 5]). Determine the sequence x[n] corresponding to cach of the following Four forms: (a) X (e) - cos? (w) + sin- (3w), (b) X2 (e) (c) X3 (c") = 1– 2 w|/.0s lao E1/2 and X(e)-0. 7/2os (d) With Aw 0,0 < o <wc and X2 (e) = 1., we < loE 0 and > Aw/2. X.(ee) is given by X4(c) = otherwise 15. Given a sequence x[ with Fourier transform XoW, determine the Fourier transform of the following sequences in terms of Xo): 16. The signal jn]=-2-3.2.1-2k 2has Fourier transforn Xl Find ahe following quantities witheout explicitly computing Xe Let xh=23.2.L and Ie 21.0-1. 21 Using the scanning opcration descrihed inaa deierminen correlation betwcea the twos Deternine and plot hent bi he deerd he cenelatior beriian Tor the following tases 56°E Mcstiy cioud prt sc dele 8. e backs P
Transcribed Image Text:194 (212 of 1009) 12. Determine ine DIFT and piot Its magnituae and pnase for ute rollowing sequences: (a) x[n] = u[n], (5) x2[n] = cos(oon)u[n], wo = T/3. 13. Determine and plot the magnitude and phase spectra of the following signals: (a) xin] = (1/2)" cos(T (n - 1)/8), (b) 12(n] = n(u[n + 3] – u[n – 4]). (o) x3[n] = (2 –n/2)(u[n + 4] – u[n - 5]). Determine the sequence x[n] corresponding to cach of the following Four forms: (a) X (e) - cos? (w) + sin- (3w), (b) X2 (e) (c) X3 (c") = 1– 2 w|/.0s lao E1/2 and X(e)-0. 7/2os (d) With Aw 0,0 < o <wc and X2 (e) = 1., we < loE 0 and > Aw/2. X.(ee) is given by X4(c) = otherwise 15. Given a sequence x[ with Fourier transform XoW, determine the Fourier transform of the following sequences in terms of Xo): 16. The signal jn]=-2-3.2.1-2k 2has Fourier transforn Xl Find ahe following quantities witheout explicitly computing Xe Let xh=23.2.L and Ie 21.0-1. 21 Using the scanning opcration descrihed inaa deierminen correlation betwcea the twos Deternine and plot hent bi he deerd he cenelatior beriian Tor the following tases 56°E Mcstiy cioud prt sc dele 8. e backs P
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