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In a communication system, what is meant...

In a communication system, what is meant by modulation? State any two types of modulation.

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### Step-by-Step Solution: 1. **Definition of Modulation**: Modulation is the process of superimposing a low-frequency signal (also known as the modulating signal) onto a high-frequency wave (known as the carrier wave). This allows the transmission of information over long distances by varying certain properties of the carrier wave. 2. **Understanding the Components**: - **Low-Frequency Signal**: This is the signal that contains the information we want to transmit. It is often referred to as the modulating signal. - **High-Frequency Wave**: This is the carrier wave that carries the information through the communication medium. ...
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