The best cars for tall drivers. The vertically gifted do not always have it so easy. Yes, they can pull items from the top shelf, and their probability of dunking a basketball is much higher than most. But when cantilevering their bodies into a vehicle, those advantages quickly disappear. facebook.
In mathematics, the discrete Fourier transform (DFT) converts a finite sequence of equally-spaced samples of a function into an equivalent-length sequence of equally-spaced samples of the discrete-time Fourier transform (DTFT), which is a complex-valued function of frequency.
Annex A shows that the IDFT defined above really is an inverse DFT. Conventionally, the sequences f(n) and F(k) is referred to as 'time domain' data and 'frequency domain' data respectively. Of course there is no reason why the samples in f(n) need be samples of a time dependant signal.