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The message signal vm (t) = cos(4000nt) modulates the carrier v.(t) = cos(50000rt) to generate the signal vAM (t). a. What is the difference between the spectrum of a signal and its bandwidth? .. Determine and sketch the spectrum of the resulting signal vAM (t).

The message signal vm (t) = cos(4000nt) modulates the carrier v.(t) = cos(50000rt) to generate the signal vAM (t). a. What is the difference between the spectrum of a signal and its bandwidth? .. Determine and sketch the spectrum of the resulting signal vAM (t).

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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Figure 2 shows the spectral mask for the IEEE 802.11-2012 standard. Explain what the flat portions denoted by A, B and C represent, and why the axes are labelled in this way. A good answer can be written in 150 words. relative power density/dB 0- -10- B 01:3 -20- 22 MHz -30- C 44 MHz -40- -50 -40 -30 -20 -i0 20 30 frequency/MHz 10 40 channel frequency Figure 2 b part only The message signal vm (t) = cos(4000rt) modulates the carrier v.(t) = cos(50000rt) to generate the signal vAM (t). a. What is the difference between the spectrum of a signal and its bandwidth? Determine and sketch the spectrum of the resulting signal vAM (t).
Transcribed Image Text:Figure 2 shows the spectral mask for the IEEE 802.11-2012 standard. Explain what the flat portions denoted by A, B and C represent, and why the axes are labelled in this way. A good answer can be written in 150 words. relative power density/dB 0- -10- B 01:3 -20- 22 MHz -30- C 44 MHz -40- -50 -40 -30 -20 -i0 20 30 frequency/MHz 10 40 channel frequency Figure 2 b part only The message signal vm (t) = cos(4000rt) modulates the carrier v.(t) = cos(50000rt) to generate the signal vAM (t). a. What is the difference between the spectrum of a signal and its bandwidth? Determine and sketch the spectrum of the resulting signal vAM (t).
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