Answer Posted / ashok
Let me explain with example.For example if you throw a paper
to some where,Then may be it will reach 20 mtrs.But if you
round that paper around a stone and throw it .Its going very
long distance.
Here i mean Paper=Message signal
Stone=Carrier signal
Both mixed and transmitted at transmitter side after
reaching the signal at receiver end we demodulate the
carrier signal ans using message signal
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