Question: A carrier is a sinusoidal waveform that is modulated by an information signal in order to transmit information over a channel. i) What are the

A carrier is a sinusoidal waveform that is modulated by an information signal in order to transmit information over a channel.
i) What are the different properties of the carrier wave that can be independently modulated?
ii) When the information signal is binary digital data the corresponding digitally modulated signals are known as ASK, PSK and FSK.

Sketch example waveforms for each of these three digital modulation schemes.

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