Homework Help is Here – Start Your Trial Now!
Engineering
Electrical Engineering
Q2 Consider a message signal m(t) = 2 сos(2π × 10t) + 4 cos(2π × 15t) + cos(2π x 40t). The message signal will modulate the amplitude of a carrier signal cos(2π * 100t). a. Plot the frequency spectrum of m(t). b. Provide a time-domain expression of the modulated signal. c. Plot the frequency spectrum of the modulated signal.

Q2 Consider a message signal m(t) = 2 сos(2π × 10t) + 4 cos(2π × 15t) + cos(2π x 40t). The message signal will modulate the amplitude of a carrier signal cos(2π * 100t). a. Plot the frequency spectrum of m(t). b. Provide a time-domain expression of the modulated signal. c. Plot the frequency spectrum of the modulated signal.

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...
See similar textbooks
icon
Related questions
icon
Concept explainers
Question

just answer as much question you can, no need to complete all. thank you.

Q2 Consider a message signal m(t) = 2 сos(2π × 10t) + 4 cos(2π × 15t) + cos(2π x 40t). The message signal will modulate the amplitude of a carrier signal cos(2π * 100t). a. Plot the frequency spectrum of m(t). b. Provide a time-domain expression of the modulated signal. c. Plot the frequency spectrum of the modulated signal. d. Before transmission, the modulated signal goes through a bandpass filter with frequency response H₁(f), where H₂(f) is given in Figure Q2-A. Plot the frequency spectrum at the output of H; (f). e. Figure Q2-B shows the components of the demodulator. Obtain the frequency response of the filter Hof) such that the output of Ho(f) is exactly m(t). H₂(f) -f (Hz) -150 -130 -70 -50 0 50 70 130 Figure Q2-A Modulated Signal- 2 cos(2π x 100t) Figure Q2-B Ho(f) m(t) 150
Transcribed Image Text:Q2 Consider a message signal m(t) = 2 сos(2π × 10t) + 4 cos(2π × 15t) + cos(2π x 40t). The message signal will modulate the amplitude of a carrier signal cos(2π * 100t). a. Plot the frequency spectrum of m(t). b. Provide a time-domain expression of the modulated signal. c. Plot the frequency spectrum of the modulated signal. d. Before transmission, the modulated signal goes through a bandpass filter with frequency response H₁(f), where H₂(f) is given in Figure Q2-A. Plot the frequency spectrum at the output of H; (f). e. Figure Q2-B shows the components of the demodulator. Obtain the frequency response of the filter Hof) such that the output of Ho(f) is exactly m(t). H₂(f) -f (Hz) -150 -130 -70 -50 0 50 70 130 Figure Q2-A Modulated Signal- 2 cos(2π x 100t) Figure Q2-B Ho(f) m(t) 150
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Thermistors
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
Recommended textbooks for you
Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
Electrical Engineering
ISBN:
9780133923605
Author:
Robert L. Boylestad
Publisher:
PEARSON
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning
Programmable Logic Controllers
Programmable Logic Controllers
Electrical Engineering
ISBN:
9780073373843
Author:
Frank D. Petruzella
Publisher:
McGraw-Hill Education
Fundamentals of Electric Circuits
Fundamentals of Electric Circuits
Electrical Engineering
ISBN:
9780078028229
Author:
Charles K Alexander, Matthew Sadiku
Publisher:
McGraw-Hill Education
Electric Circuits. (11th Edition)
Electric Circuits. (11th Edition)
Electrical Engineering
ISBN:
9780134746968
Author:
James W. Nilsson, Susan Riedel
Publisher:
PEARSON
Engineering Electromagnetics
Engineering Electromagnetics
Electrical Engineering
ISBN:
9780078028151
Author:
Hayt, William H. (william Hart), Jr, BUCK, John A.
Publisher:
Mcgraw-hill Education,
SEE MORE TEXTBOOKS