Problem 5:a. Describe simplex, half duplex, and full duplex modes of transmission. Give an example of each.b. Why are audio signals not transmitted directly by electromagnetic waves?c. What is noise? Mention where it can mostly affect the signal.d. Explain the difference between amplitude modulation, frequency modulation, and phasemodulation.e. Figure 1 shows the waveform of an amplitude-modulated signal as displayed on an oscilloscope.Both the carrier and the message signal are sinusoidal. Find the modulation index and the powerefficiency of the amplitude-modulated signal.-1

a. Simplex mode is a uni- directional communication. Examples of simplex include radio…

a. Describe simplex, half duplex, and full duplex modes of transmission. Give an example of each. b. Why are audio signals not transmitted directly by electromagnetic waves? c. What is noise? Mention where it can mostly affect the signal.

a. Describe simplex, half duplex, and full duplex modes of transmission. Give an example of each. b. Why are audio signals not transmitted directly by electromagnetic waves? c. What is noise? Mention where it can mostly affect the signal.

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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Question

Problem 5:
a. Describe simplex, half duplex, and full duplex modes of transmission. Give an example of each.
b. Why are audio signals not transmitted directly by electromagnetic waves?
c. What is noise? Mention where it can mostly affect the signal.
d. Explain the difference between amplitude modulation, frequency modulation, and phase
modulation.
e. Figure 1 shows the waveform of an amplitude-modulated signal as displayed on an oscilloscope.
Both the carrier and the message signal are sinusoidal. Find the modulation index and the power
efficiency of the amplitude-modulated signal.
-1

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