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Lecture 3: Signals and Systems

Lecture 3: Signals and Systems

This video was recorded at 6.01SC Introduction to Electrical Engineering and Computer Science, I Spring 2011. Any model of the world we want to study, that we address as a system, we also probably want to observe in some way (this is probably the reason we made the model in the first place). The information we choose to observe is the signal. Based on what we know about different kinds of signals and systems, we can choose what information to collect as a signal, and make effective long-term predictions about our system based on that signal. The overview handout provides a more detailed introduction, including the big ideas of the session, key vocabulary, what you should understand (theory) and be able to do (practice) after completing this session, and additional resources.


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