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Answer Posted / lakkup
for security purpose, to protect from noise,distortions
etc., modulation is used
so in order to transmit a signal ,modulation is done by
superimposing carrier signal on to the message signal
so when it is transmitted over the channel ,modulation
serves as a protective covering for the message signal.so at
the receiver side it is then demodulated to get the original
signal
| Is This Answer Correct ? | 3 Yes | 7 No |
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