KnowraFourier coefficientLinked fromLinked fromThe 11 pages that link to Fourier coefficient, each with the reason it gives.All 11Broader topic 5Related 5Narrower topic 1Orthonormal basisRelated: Inner products with basis vectors provide the coefficients of an expansion.Poisson summation formulaRelated: Each dual-lattice sample is a Fourier coefficient of the periodized function, up to normalization.Bessel's inequalityRelated: Inner products with orthonormal vectors are generalized Fourier coefficients.Riemann–Lebesgue lemmaRelated: The circle version asserts that these coefficients vanish as frequency grows.Dirichlet–Jordan testRelated: The partial sums in the theorem are assembled from these coefficients.