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| − | <math>\frac {1}{T} \int_{0}^{T}|x(t)|^2 dt = \sum_{k=-\infty}^{\infty}|a_k|^2</math> | + | <math>\frac {1}{T} \int_{0}^{T}|x(t)|^2 dt = \sum_{k=-\infty}^{\infty}|a_k|^2</math> <font color=red>???</font>--[[User:Mboutin|Mboutin]] 10:12, 22 October 2008 (UTC) |
Latest revision as of 05:12, 22 October 2008
$ \frac {1}{T} \int_{0}^{T}|x(t)|^2 dt = \sum_{k=-\infty}^{\infty}|a_k|^2 $ ???--Mboutin 10:12, 22 October 2008 (UTC)
