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In modulation, what does the term 'carrier signal' refer to?

Practice Questions

Q1
In modulation, what does the term 'carrier signal' refer to?
  1. The original message signal
  2. The signal used to carry the information
  3. The noise in the system
  4. The output signal after modulation

Questions & Step-by-Step Solutions

In modulation, what does the term 'carrier signal' refer to?
  • Step 1: Understand that modulation is a process used in communication systems.
  • Step 2: Know that in modulation, we need a way to send information over distances.
  • Step 3: The 'carrier signal' is a basic signal that can be changed to carry information.
  • Step 4: Think of the carrier signal as a vehicle that transports the information to its destination.
  • Step 5: The information is added to the carrier signal by changing its properties, like its amplitude or frequency.
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