Tuesday, 14 March 2017

Discrete Fourier Transform

The second experiment was of Discrete Fourier Transform . DFT (Discrete Fourier Transform) is carried out to overcome the limitation of Fourier series as well as DTFT. As length of signal increases, frequency spacing reduces, approximation error representation of spectrum decreases, resolution of spectrum increases, missing values in less point DFT are present in more point DFT.
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