7. The input signal x(t) = 3cos(2000t)+ 2cos(3000 – A/2) + 4cos(5000 + T/4) + cos(7000 + a 4) + cos(9000rt) When the signal pass a filter with specified frequency response, (a) or (b) or (c) or (d), please find out the components of output signal. -3000 -4000 -2000 3000 4000 2000 (a)理想低通减波器 (c)理想孕通减波器 1 -3000 10 3000 -4000 <-3000 4000 3000 (b) 理想高通流波器 (の)建想中止流波器

Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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7. The input signal
x(t) =3cos(2000t)+ 2cos(3000t – A/2) + 4 cos(5000t + A/ 4)
+ cos(7000 +a/4) + cos(9000t)
-
When the signal pass a filter with specified frequency response, (a) or (b) or (c) or
(d), please find out the components of output signal.
-3000
3000
-4000
-2000
4000
2000
(a)理想低通减波器
(c)理想孕通濾波器
-3000
3000
4000
-3000
4000
3000
(b) 理想高通减法器
()理想争止该波器
Transcribed Image Text:7. The input signal x(t) =3cos(2000t)+ 2cos(3000t – A/2) + 4 cos(5000t + A/ 4) + cos(7000 +a/4) + cos(9000t) - When the signal pass a filter with specified frequency response, (a) or (b) or (c) or (d), please find out the components of output signal. -3000 3000 -4000 -2000 4000 2000 (a)理想低通减波器 (c)理想孕通濾波器 -3000 3000 4000 -3000 4000 3000 (b) 理想高通减法器 ()理想争止该波器
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