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Author Question: Why must modulated signals be demodulated? A. To recover the original intelligence B. To improve ... (Read 56 times)

joblessjake

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on: Jul 28, 2018
Why must modulated signals be demodulated?
 
  A. To recover the original intelligence
  B. To improve the spectral efficiency of digital transmissions
  C. To enable implementation of advanced features
  D. To produce one or more significant sideband pairs

Question 2

When a carrier is conveying intelligence by simply turning it on or off according to a prearranged code, this type of transmission is called ____________.
 
  A. continuous wave
  B. sine wave
  C. square wave
  D. cosine wave


BAOCHAU2803

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Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

A


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