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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
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Demodulator
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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")]`
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- transmitter.
- information source.
- user of information.
- channel.
- receiver.
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- R = 1 kΩ, C = 0.01 µF.
- R = 10 kΩ, C = 0.01 µF.
- R = 10 kΩ, C = 0.1 µF.
