The physics of how data travels through the physical world
In short: How does a digital signal survive the journey across a physical medium? This MIT lecture breaks down the fundamental engineering principles required to move information from one point to another reliably.
Instructor George Verghese explores the core mechanics of Digital Communication Systems. The session establishes a mathematical foundation using probability for random variables, which is essential for understanding how signals behave in unpredictable environments.
Key concepts covered include signal modulation and demodulation—the processes of encoding information onto a carrier wave and extracting it at the destination. The lecture also introduces technical building blocks like unit steps, samples, and the properties of time-invariant and linear systems.
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Sources
- Summary by Intellect · source: 9. Transmitting on a physical channel
- Also: Lecture 9: Transmitting on a Physical Channel | Introduction to EECS II: Digital Communication Systems | Electrical Engineering and Computer Science | MIT OpenCourseWare
- Also: Lecture 9: Transmitting on a Physical Channel | MIT Learn
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