m(t) LPF y(t) Fc= 15KHZ. Figure 1 2 cos(3000 nt) a. If the power of the message is 10 kW, what is the power of y(t)? b. Draw the spectrum of the modulated signal , y(t)? c. Suggest a method for detection m(t) from y(t) in details?

m(t) LPF y(t) Fc= 15KHZ. Figure 1 2 cos(3000 nt) a. If the power of the message is 10 kW, what is the power of y(t)? b. Draw the spectrum of the modulated signal , y(t)? c. Suggest a method for detection m(t) from y(t) in details?

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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Concept explainers

Methods of Wiring

Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.

Question

communication system Answer all branches

The system shown in Figure 1 is used for modulation an
audio signal M(t). The output y(t) is the modulated
version of the input m(t).
m(t)
LPF
y(t)
Fc= 15KHZ.
Figure 1
2 cos(3000 nt)
a. If the power of the message is 10 kW, what is the power
of y(t)?
b. Draw the spectrum of the modulated signal , y(t)?
c. Suggest a method for detection m(t) from y(t) in details?
d. What is the type of modulation does system correspond
to (similar results)?
e. Assume the Low Pass Filter is removed, what type of
modulation does correspond to? State advantage and
disadvantage of this new modulation scheme compared
to the scrambler?

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