November 2019
Intermediate to advanced
296 pages
7h 52m
English
DFT is a type of Fourier transformation that was specially designed for discrete values. The goal of the algorithm is to find the components in each frequency from the finite samples. Let's assume that the input samples are illustrated as a sequence of complex numbers,
. The magnitude corresponding to the frequency,
, is calculated as follows:

Considering the result of Euler's formula (), this equation indicates that ...
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