Signal Processing, Spectral Analysis, Ante, Linear Algebra, Eigenvectors.
wavefield, with period 2π/d. Thus, in order for no aliasing to occur, the spatial spectrum F(k, ω ) of has to be limited by |k| < π/d. The wavenumber k is related to the temporal frequency by [14]: |k|² = (2fₖπ/c)² (Equation 15) Using this relationship between the wavenumber and the frequency of