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Define modulation and explain any two need of modulation.
written 6.5 years ago by gravatar for teamques10 teamques10 ★ 70k modified 3.7 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k
digital communication
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written 3.7 years ago by gravatar for sagarkolekar sagarkolekar ★ 11k

In the modulation process, two signals are used namely the modulating signal and the carrier, the modulating signal is nothing but the base-band signal or information signal while carrier is a high frequency sinusoidal signal.

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In the modulation process some parameter of the carrier wave (such as amplitude, frequency or …

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