(New page: == Periodic Functions == A DT signal x[n] is called periodic if there exists an integer N such that x[n+N] = x[n] for all n. A CT signal x(t) is called periodic if there exists a vaule T) |
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A DT signal x[n] is called periodic if there exists an integer N such that x[n+N] = x[n] for all n. | A DT signal x[n] is called periodic if there exists an integer N such that x[n+N] = x[n] for all n. | ||
| − | A CT signal x(t) is called periodic if there exists | + | |
| + | A CT signal x(t) is called periodic if there exists an integer T > 0 such that x(t+T) = x(t). | ||
Revision as of 07:00, 5 September 2008
Periodic Functions
A DT signal x[n] is called periodic if there exists an integer N such that x[n+N] = x[n] for all n.
A CT signal x(t) is called periodic if there exists an integer T > 0 such that x(t+T) = x(t).
