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].

0 • x[0] > 0 Im{X(ej@)} = sin w – sin 2w S",|X(e/")l°dw = 3 Determine x[n]. "/>
Extracted 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].