The DFT of Finite-Length Time-Reversed Sequences - Rick Lyons
Discrete Fourier transform - Wikipedia
MathType al Twitter: "The DFT transforms a sequence of N complex numbers (x) into another sequence of complex numbers (X) and is used to perform Fourier analysis in many practical applications. In
Solved The Discrete Fourier Transform (DFT) of a periodic | Chegg.com