Numerical implementation and analysis of Fourier Transform algorithms, including DFT, FFT, IDFT and IFFT, applied to 1D and 2D signals. The project focuses on understanding signal representations in ...
X(f) = integral_{-inf}^{inf} x(t) * exp(-j*2*pi*f*t) dt We numerically approximate this integral using the trapezoidal rule over a finite time window, sampled at a high rate.
Abstract: This paper introduces a design method for densergraph-frequency graph Fourier frames (DGFFs) to enhance graph signal processing and analysis. The graph Fourier transform (GFT) enables us to ...