Abstract
One of the important purposes of Fourier analysis is to obtain spectra of waveforms. For that purpose, DFTs are performed on numerical sequences made from waveforms using a computer or a similar fast operational device.
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Kido, K. (2015). DFT and Spectrum. In: Digital Fourier Analysis: Fundamentals. Undergraduate Lecture Notes in Physics. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-9260-3_6
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DOI: https://doi.org/10.1007/978-1-4614-9260-3_6
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