6.10.1 What Is Modulation And Why Is It Necessary?
Discover why virtually every communication system uses modulation. Learn how modulation allows multiple users to share the same transmission medium, enables practical antennas, improves noise performance, and makes long-distance wireless communication possible.
- What Is Modulation?
- What Is a Carrier Wave?
- What Is a Baseband Signal?
- Why Can't We Simply Transmit the Baseband Signal?
- Does Modulation Change the Information?
- What Carrier Characteristics Can Be Modified?
- Is Modulation Used Only in Radio?
- How Has Modulation Evolved?
- What Makes a Good Modulation Scheme?
- Why Is Modulation So Important?