Top "Dft" questions

Discrete Fourier transform (DFT) is a specific kind of discrete transform, used in Fourier analysis.

Discrete fourier transform on time series in R

I would like to use discrete Fourier transform to identify dynamic of sales and then cluster similar patterns. However, I'm …

r fft time-series dft
STFT/FFT work flow order

I am trying to implement FFT, and I am OK with the code etc, but the general order of things …

signal-processing fft overlap dft
implementation of DFT in C++

I want to implement the DFT (Discrete Fourier Transform) in C++ language to process images. As I was studying the …

c++ cimg dft
Finding 2d impulse peaks in MATLAB

What is the best method for finding impulse peaks (dirac delta) in a 2d matrix. More specifically, I would like …

matlab image-processing signal-processing dft