cochlea 发表于 2025-3-27 00:51:39
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Political Ecology, Food Regimes, and Food SovereigntyCrisis, Resistance,繁殖 发表于 2025-3-27 09:51:04
Fourier Transforms, Hermite functions, which form an orthogonal basis of ., are eigenfunctions of the Fourier transform. In Sect. 2.3, we present the Poisson summation formula and Shannon’s sampling theorem. Finally, two generalizations of the Fourier transform are sketched in Sect. 2.5, namely the windowed Fourier transform and the fractional Fourier transform.Processes 发表于 2025-3-27 15:00:20
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