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Part A: Periodic Signals Revisited...Periodic Signals Revisited...Periodic Signals Revisited | Part A: Periodic Signals Revisited...Periodic Signals Revisited...Periodic Signals Revisited | ||
| − | As we discussed in class, a function x(t) is periodic if x(t+T)= x(t) , where T is a multiple of the fundamental period, or smallest period. | + | As we discussed in class, a function <math>x(t)</math> is periodic if <math>x(t+T)= x(t)</math> , where T is a multiple of the fundamental period, or smallest period. |
In the first homework, I explained how <math>sin(t)</math> was periodic. However, because that is rather boring, let's take a look at <math>sin(t)-cos(2t)</math>. | In the first homework, I explained how <math>sin(t)</math> was periodic. However, because that is rather boring, let's take a look at <math>sin(t)-cos(2t)</math>. | ||
Revision as of 13:22, 12 September 2008
Part A: Periodic Signals Revisited...Periodic Signals Revisited...Periodic Signals Revisited
As we discussed in class, a function $ x(t) $ is periodic if $ x(t+T)= x(t) $ , where T is a multiple of the fundamental period, or smallest period.
In the first homework, I explained how $ sin(t) $ was periodic. However, because that is rather boring, let's take a look at $ sin(t)-cos(2t) $.
