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A single period of the magnitude and phase spectra of a discrete-time signal is given as follows: 1 ||Cx|| = {l|co||, ..., ||c7||} = {0, Zer = {Lco,….., Ze;} = {0, –,0,0, 0, 0, } What is the time-domain expression for the signal? O a. -sin [2π (금) 끼-2cos[2m (금) n] O b. sin[27 () n] – 2 sin [27 () n] O c. sin[27 () n] – 2 cos [27 () n] - O d. sin[27 () n] + 2 cos [27 () n] The finite-duration sequence æ[n] = {-4,1, 2, 0, –3} has a Fourier transform X(w). Determine X(0). Оа. X(0) — -4 O b. X(0) = 4 Ос. X(0) — 0 O d. X(0) = 10

A single period of the magnitude and phase spectra of a discrete-time signal is given as follows: 1 ||Cx|| = {l|co||, ..., ||c7||} = {0, Zer = {Lco,….., Ze;} = {0, –,0,0, 0, 0, } What is the time-domain expression for the signal? O a. -sin [2π (금) 끼-2cos[2m (금) n] O b. sin[27 () n] – 2 sin [27 () n] O c. sin[27 () n] – 2 cos [27 () n] - O d. sin[27 () n] + 2 cos [27 () n] The finite-duration sequence æ[n] = {-4,1, 2, 0, –3} has a Fourier transform X(w). Determine X(0). Оа. X(0) — -4 O b. X(0) = 4 Ос. X(0) — 0 O d. X(0) = 10

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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Need help - Fourier Analysis

A single period of the magnitude and phase spectra of a discrete-time signal is given as follows: 1 ||Cx|| = {l|co||, ..., ||c7||} = {0, Zer = {Lco,….., Ze;} = {0, –,0,0, 0, 0, } What is the time-domain expression for the signal? O a. -sin [2π (금) 끼-2cos[2m (금) n] O b. sin[27 () n] – 2 sin [27 () n] O c. sin[27 () n] – 2 cos [27 () n] - O d. sin[27 () n] + 2 cos [27 () n] The finite-duration sequence æ[n] = {-4,1, 2, 0, –3} has a Fourier transform X(w). Determine X(0). Оа. X(0) — -4 O b. X(0) = 4 Ос. X(0) — 0 O d. X(0) = 10
Transcribed Image Text:A single period of the magnitude and phase spectra of a discrete-time signal is given as follows: 1 ||Cx|| = {l|co||, ..., ||c7||} = {0, Zer = {Lco,….., Ze;} = {0, –,0,0, 0, 0, } What is the time-domain expression for the signal? O a. -sin [2π (금) 끼-2cos[2m (금) n] O b. sin[27 () n] – 2 sin [27 () n] O c. sin[27 () n] – 2 cos [27 () n] - O d. sin[27 () n] + 2 cos [27 () n] The finite-duration sequence æ[n] = {-4,1, 2, 0, –3} has a Fourier transform X(w). Determine X(0). Оа. X(0) — -4 O b. X(0) = 4 Ос. X(0) — 0 O d. X(0) = 10
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