« previous next »

Author Question: Why must modulated signals be demodulated? A. To recover the original intelligence B. To improve ... (Read 59 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
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

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 28, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum The original Magdeburg hemispheres (lower left) used to demonstrate Otto von Guericke's vacuum
Action of Satiety Signals on Hypothalamic Neurons Involved in Control of Hunger and Satiety Action of Satiety Signals on Hypothalamic Neurons Involved in Control of Hunger and Satiety
Intelligence and Genetic Relatedness Intelligence and Genetic Relatedness
Animal Intelligence Animal Intelligence
The ras proto-oncogene encodes a signal-transduction protein that processes signals for cell divisio The ras proto-oncogene encodes a signal-transduction protein that processes signals for cell divisio
An example of DNA profile results for the 13 original CODIS STRs An example of DNA profile results for the 13 original CODIS STRs
Video: Cognitive development by Piaget (Preoperational stage or intelligence)

For a complete list of videos, visit our video library