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Question
what is the difference between modulation and demodulation
 Question Submitted By :: Electronics-Communications
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
In modulation ,characteristics of the carrier signal is
varied in accordance with the amplitude of the message signal.
Whereas in demodulation, the message signal is extracted
from the carrier signal.
 
Is This Answer Correct ?    33 Yes 6 No
Kokila & Parsana
 
Answer
# 2
Modulation is the process where a Radio Frequency or Light
Wave's amplitude, frequency, or phase is changed in order to
transmit intelligence. The characteristics of the carrier
wave are instantaneously varied by another "modulating"
waveform.
 
Is This Answer Correct ?    10 Yes 4 No
Shanthi
 
 
 
Answer
# 3
Modulation= Original Signal(I/P)+Carrier Signal
Demodulation= Original Signal(Input Signal)
or
Demodulation= Modulation-Carrier Signal
 
Is This Answer Correct ?    1 Yes 5 No
Madanreddy
 

 
 
 
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