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Figure P5.6.1 shows a real signal ₁ [n] and the magnitude of its Fourier transform |X₁(e). The same figure also includes the Fourier transform magnitude X2(e) for another real signal 22[n], which is not shown in Figure P5.6.1 jul'x Time (samples) 100 I'x 67 -0.5 0 0.5 Frequency (') 1

Figure P5.6.1 shows a real signal ₁ [n] and the magnitude of its Fourier transform |X₁(e). The same figure also includes the Fourier transform magnitude X2(e) for another real signal 22[n], which is not shown in Figure P5.6.1 jul'x Time (samples) 100 I'x 67 -0.5 0 0.5 Frequency (') 1

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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Figure P5.6.1 shows a real signal ₁ [n] and the magnitude of its Fourier transform |X₁(e). The same figure also includes the Fourier transform magnitude X₂(e) for another real signal x2[n], which is not shown in Figure P5.6.1 lux -100 0 141% 50 Time (samples) -50 Time (samples) 100 50 Time (samples) xx,(0%) Kofx 100 14% 20 lux 15 10 67 20 15 10 5 -0.5 Figure P5.6.1: Signal r₁ [n] and the Fourier transform magnitudes X₁(e) and X₂(e)| Which of the four signals in Figure P5.6.2 are consistent with the information given about 2 [n] in Fig- ure P5.6.1? You may assume that the signals are essentially zero outside the region shown. Justify your answer. Answers without justification will receive no credit. -0.5 0 Frequency (x) Frequency (') 50 Time (samples) Figure P5.6.2: Signals A[n] through ap[n] 50 Time (samples) 0.5 0.5 1 1 100 100
Transcribed Image Text:Figure P5.6.1 shows a real signal ₁ [n] and the magnitude of its Fourier transform |X₁(e). The same figure also includes the Fourier transform magnitude X₂(e) for another real signal x2[n], which is not shown in Figure P5.6.1 lux -100 0 141% 50 Time (samples) -50 Time (samples) 100 50 Time (samples) xx,(0%) Kofx 100 14% 20 lux 15 10 67 20 15 10 5 -0.5 Figure P5.6.1: Signal r₁ [n] and the Fourier transform magnitudes X₁(e) and X₂(e)| Which of the four signals in Figure P5.6.2 are consistent with the information given about 2 [n] in Fig- ure P5.6.1? You may assume that the signals are essentially zero outside the region shown. Justify your answer. Answers without justification will receive no credit. -0.5 0 Frequency (x) Frequency (') 50 Time (samples) Figure P5.6.2: Signals A[n] through ap[n] 50 Time (samples) 0.5 0.5 1 1 100 100
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