homework help > electrical engineering > electrical engineering q&a board > topic: systems and signals dsb-sc signals/spectrums...

Q BgQuestion:

      
Novice
Karma Points: 25
Respect (99%):
posted by  CraKaJaX on 11/3/2009 4:21:14 PM  |  status: Live  |  Earned Karma: 25

Systems and Signals DSB-SC Signals/Spectrums

Course Textbook Chapter Problem Needs by
Signal Theory Signal Processing and Linear Systems (1st) by Lathi 4 7.1 11/4/2009 at 9:00:00 AM
Question Details:
Given

a) Sketch the spectrum of m(t)
b) Sketch the spectrum of the DSB-SC signal m(t)cos10,000t
c)Identify the upper sideband (USB) and the lower sideband (LSB) spectra.
d) Identify the frequencies in the baseband, and the corresponding frequencies in the DSB-SC, USB, and LSB spectra. Explain the nature of frequency shifting in each case.

2. Repeat above for
Bonus Point Alert! Earn +7 additional karma points for helping this gold member.

AAnswers:

Answer Question Ask for clarification
Oracle
Karma Points: 72,458
(Central Florida)
posted by Sonny's on 11/3/2009 7:43:03 PM  |  status: Live
Asker's Rating: This answer has not been rated. If you asked this question, then please login.   
Response Details:
Question #1)
The message signal is defined by the following equation:
----> Height of 1
----> Height of 1/2
Spectrum of m(t)
(B)
Addidng the carrier signal into the spectrum:
New York Yankees the best team in baseball without Brian Cashman!
Answer Question Ask for clarificarion
Ask New Question

Join Cramster's Community

Cramster.com brings together students, educators and subject enthusiasts in an online study community. With around-the-clock expert help and a community of over 100,000 knowledgeable members, you can find the help you need, whenever you need it. Join for free today » How Cramster is different from tutoring »

Need Help In

Useful Links