(New page: == Periodic / Non-Periodic Functions == In continuous time, both sin and cosine are periodic. However in discrete time, both sin and cosine are non-periodic.) |
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== Periodic / Non-Periodic Functions == | == Periodic / Non-Periodic Functions == | ||
| − | In continuous time, both sin and cosine are periodic. However in discrete time, both sin and cosine are non-periodic. | + | In continuous time (CT), both sin and cosine are periodic. However in discrete time (DT), both sin and cosine are non-periodic. |
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| + | For a function to be continuous in discrete time, it must satisfy <math>a(x+T) = a(x)</math> for any T greater than zero. | ||
Revision as of 19:42, 4 September 2008
Periodic / Non-Periodic Functions
In continuous time (CT), both sin and cosine are periodic. However in discrete time (DT), both sin and cosine are non-periodic.
For a function to be continuous in discrete time, it must satisfy $ a(x+T) = a(x) $ for any T greater than zero.
