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1. The following four facts are given about a real signal x[n] with discrete-time Fourier transform x(e"): • x[n] = 0 for n > 0 • x[0] > 0 Im{X(el")} = sin w – sin 2w 1 = 3 Determine x[n].

1. The following four facts are given about a real signal x[n] with discrete-time Fourier transform x(e"): • x[n] = 0 for n > 0 • x[0] > 0 Im{X(el")} = sin w – sin 2w 1 = 3 Determine x[n].

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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1. The following four facts are given about a real signal x[n] with discrete-time Fourier transform x(ej"): x[n] = 0 for > 0 • x[0] > 0 Im{X(ej@)} = sin w – sin 2w S",|X(e/")l°dw = 3 Determine x[n].
Transcribed Image Text:1. The following four facts are given about a real signal x[n] with discrete-time Fourier transform x(ej"): x[n] = 0 for > 0 • x[0] > 0 Im{X(ej@)} = sin w – sin 2w S",|X(e/")l°dw = 3 Determine x[n].
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