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प्रश्न
Explain the term demodulation used in a communication system.
With reference to communication systems, what is meant by demodulation?
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उत्तर
Demodulation is the process of retrieving information from the carrier wave at the receiver end. It is the reverse process of modulation.
संबंधित प्रश्न
Explain the terms Attenuation used in Communication System.
Explain the terms : Transmitter in communication system
Write the functions of the following in communication systems:
Transmitter
Write the functions of the following in communication systems:
Modulator
Write the functions of the following in communication systems:
Receiver
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Distinguish between point to point and broadcast modes of communication. Give an example of each.
Write the function of receiver in communication system.
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A 1 KW signal is transmitted using a communication channel which provides attenuation at the rate of – 2dB per km. If the communication channel has a total length of 5 km, the power of the signal received is `["gain in dB" = 10 log ("P"_0/"P"_"i")]`
