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Fourier Transform -- from Wolfram MathWorld
瀏覽：1385
日期：2025-05-22
The Fourier transform is a generalization of the complex Fourier series in the limit as L->infty. Replace the discrete A_n with the continuous F(k)dk while letting n/L->k. Then change the sum to an integral, and the equations become f(x) = int_(-infty)^in...看更多
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