Digital Modulation (DM) gives more capacity of data, high information security, and accessibility of a faster system by enormous quality communication . Therefore, DM techniques have a huge demand due to their capacity for communicating superior amounts of information than AM (analog modulation) techniques.
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Modulation is the process of converting data into electrical signals optimized for transmission . Modulation techniques are roughly divided into four types: Analog modulation, Digital modulation, Pulse modulation , and Spread spectrum method.
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