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Q7. Three signals m1(t), m2(t) and m3(t), all three band limited to 2000Hz, with their spectrum shown in the figure are transmitted simultaneously over a channel by the multiplexing scheme shown below. Estimate the signal spectrum and bandwidth at points a, b, c, d and e. -2000Hz -2000Hz M₁(f) f 2000Hz M₂(f) f 2000Hz M3(f) f -2000Hz 2000Hz mi(t) m₂(t) m3(t) Σ) cos(8000nt) cos(16000 nt) d LPF 8KHz

Q7. Three signals m1(t), m2(t) and m3(t), all three band limited to 2000Hz, with their spectrum shown in the figure are transmitted simultaneously over a channel by the multiplexing scheme shown below. Estimate the signal spectrum and bandwidth at points a, b, c, d and e. -2000Hz -2000Hz M₁(f) f 2000Hz M₂(f) f 2000Hz M3(f) f -2000Hz 2000Hz mi(t) m₂(t) m3(t) Σ) cos(8000nt) cos(16000 nt) d LPF 8KHz

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
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q7. Three signals m1(t), m2(t) and m3(t), all three band limited to 2000Hz, with their spectrum shown in the figure are transmitted simultaneously over a channel by the multiplexing scheme shown below. Estimate the signal spectrum and bandwidth at points a, b, c, d and e. -2000Hz M₁(f) f 2000Hz M₂(f) ➜f -2000Hz 2000Hz M3(f) f -2000Hz 2000Hz mi(t) m₂(t) m3(t) cos(8000лt) cos(16000 лt) d LPF 8KHz 3/4
Transcribed Image Text:Q7. Three signals m1(t), m2(t) and m3(t), all three band limited to 2000Hz, with their spectrum shown in the figure are transmitted simultaneously over a channel by the multiplexing scheme shown below. Estimate the signal spectrum and bandwidth at points a, b, c, d and e. -2000Hz M₁(f) f 2000Hz M₂(f) ➜f -2000Hz 2000Hz M3(f) f -2000Hz 2000Hz mi(t) m₂(t) m3(t) cos(8000лt) cos(16000 лt) d LPF 8KHz 3/4
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