Example image of eyePlorer eyePlorer map for 'Relations between Fourier transforms and Fourier series': Fourier series Harmonic analysis Discrete Fourier transform Discrete-time Fourier transform Dirac delta function Digital signal processing Fast Fourier transform Signal processing Dirac comb Poisson summation formula Nyquist frequency Aliasing Window function Fundamental frequency Convolution A derivation of the discrete Fourier transform List of numerical analysis topics