# Difference between revisions of "Fourier transform"

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+ | Suppose that we have some function, say <math> \beta (t) </math>, that is nonperiodic and finite in duration.<br> |
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+ | This means that <math> \beta(t)=0 </math> for some <math> T_\alpha < \left | t \right | </math> |

## Revision as of 09:29, 8 December 2004

An initially identity that is useful:

Suppose that we have some function, say , that is nonperiodic and finite in duration.

This means that for some