Consider the system of Figure 7.1, where the mput continuous-time signal x,(1) has a band-limited spectrum X,(N), as sketched in Figure 7.2(a), and is being sampled at the Nyquist rate. The discrete-time processor is an ideal lowpass filter with a frequency response H(e"), as shown in Figure 7.2(b), and has a cutoff frequency 0, =N_T/2, where T is the sampling period. Sketch as accurately as possible the spectrum Y,(N) of the output continuous-time signal y,(1). [n] Discrete- time Ideal Ideal Inter- sampler processor polator Figure 7.1 X,Un) H(e®) 0.5 o n, 3n_n, 2 (a) "u- (b) Figure 7.2
Consider the system of Figure 7.1, where the mput continuous-time signal x,(1) has a band-limited spectrum X,(N), as sketched in Figure 7.2(a), and is being sampled at the Nyquist rate. The discrete-time processor is an ideal lowpass filter with a frequency response H(e"), as shown in Figure 7.2(b), and has a cutoff frequency 0, =N_T/2, where T is the sampling period. Sketch as accurately as possible the spectrum Y,(N) of the output continuous-time signal y,(1). [n] Discrete- time Ideal Ideal Inter- sampler processor polator Figure 7.1 X,Un) H(e®) 0.5 o n, 3n_n, 2 (a) "u- (b) Figure 7.2
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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