2AnnouncementsHandout: Lecture #3 NotesHomework #1 is due Thursday 02/11.
3Random ProcessesA random variable has a single value. However, actual signals change with time.Random variablesmodel unknown events.Random processesmodel unknown signals.A random process is just a collection of random variables. If X(t) is a random process then X(1), X(1.5), and X(37.5) are all random variables for any specific time t.
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