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87:(DFT), occasionally called the finite Fourier transform, the Fourier transform of a discrete periodic sequence (yielding discrete periodic frequencies), which can also be thought of as the DTFT of a finite-length sequence evaluated at discrete frequencies
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Fourier transform (STFT), a Fourier transform during a short term of time, used in the area of signal analysis
81:(DTFT), the reverse of the Fourier series, a special case of the Z-transform around the unit circle in the complex plane
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led you here, you may wish to change the link to point directly to the intended article.
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171:{\displaystyle \alpha t/d^{2}}
133:{\displaystyle {\mathit {Fo}}}
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