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Which of the following is not a valid option for modulation of waves?
  • a)
    phase modulation
  • b)
    frequency modulation
  • c)
    amplitude modulation
  • d)
    velocity modulation
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which of the following is not a valid option for modulation of waves?a...
If you want to throw a piece of paper at some distance, say 50 m then what will you do? A very simple solution is that you wrap the paper on the stone and then throw it right. So that is the philosophy of modulation. You modulate the carrier signal (stone) with your information signal (paper) and then throw it using a transmitter so that your information can travel to a longer distance. At the receiver side of the communication system the demodulater separates the information signal from the carrier and then your information signal is processed.
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Which of the following is not a valid option for modulation of waves?a)phase modulationb)frequency modulationc)amplitude modulationd)velocity modulationCorrect answer is option 'D'. Can you explain this answer?
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